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Finding the Fourth Proportional to 62,917.36, 94,476.36 and 36,641.20

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Solution

The fourth proportional to 62,917.36, 94,476.36 and 36,641.20 is: 55,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,917.36 : 94,476.36 = 36,641.20 : x
  2. Step 2: Convert to fraction form
    62,917.36/94,476.36 = 36,641.20/x
  3. Step 3: Cross multiply
    62,917.36x = 94,476.36 × 36,641.20
  4. Step 4: Simplify right side
    62,917.36x = 3,461,727,202.03
  5. Step 5: Solve for x
    x = 3,461,727,202.03/62,917.36
  6. Step 6: Final answer
    x = 55,020.22

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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.