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Finding the Fourth Proportional to 27,802.99, 38,368.05 and 15,056.19

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Solution

The fourth proportional to 27,802.99, 38,368.05 and 15,056.19 is: 20,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.99 : 38,368.05 = 15,056.19 : x
  2. Step 2: Convert to fraction form
    27,802.99/38,368.05 = 15,056.19/x
  3. Step 3: Cross multiply
    27,802.99x = 38,368.05 × 15,056.19
  4. Step 4: Simplify right side
    27,802.99x = 577,676,650.73
  5. Step 5: Solve for x
    x = 577,676,650.73/27,802.99
  6. Step 6: Final answer
    x = 20,777.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.