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Finding the Fourth Proportional to 61,303.33, 91,955.29 and 18,609.12

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Solution

The fourth proportional to 61,303.33, 91,955.29 and 18,609.12 is: 27,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.33 : 91,955.29 = 18,609.12 : x
  2. Step 2: Convert to fraction form
    61,303.33/91,955.29 = 18,609.12/x
  3. Step 3: Cross multiply
    61,303.33x = 91,955.29 × 18,609.12
  4. Step 4: Simplify right side
    61,303.33x = 1,711,207,026.24
  5. Step 5: Solve for x
    x = 1,711,207,026.24/61,303.33
  6. Step 6: Final answer
    x = 27,913.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.