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Finding the Fourth Proportional to 27,752.84, 38,298.84 and 15,005.96

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Solution

The fourth proportional to 27,752.84, 38,298.84 and 15,005.96 is: 20,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.84 : 38,298.84 = 15,005.96 : x
  2. Step 2: Convert to fraction form
    27,752.84/38,298.84 = 15,005.96/x
  3. Step 3: Cross multiply
    27,752.84x = 38,298.84 × 15,005.96
  4. Step 4: Simplify right side
    27,752.84x = 574,710,861.09
  5. Step 5: Solve for x
    x = 574,710,861.09/27,752.84
  6. Step 6: Final answer
    x = 20,708.18

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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.