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Finding the Fourth Proportional to 62,356.32, 93,534.48 and 15,609.20

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Solution

The fourth proportional to 62,356.32, 93,534.48 and 15,609.20 is: 23,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,356.32 : 93,534.48 = 15,609.20 : x
  2. Step 2: Convert to fraction form
    62,356.32/93,534.48 = 15,609.20/x
  3. Step 3: Cross multiply
    62,356.32x = 93,534.48 × 15,609.20
  4. Step 4: Simplify right side
    62,356.32x = 1,459,997,937.54
  5. Step 5: Solve for x
    x = 1,459,997,937.54/62,356.32
  6. Step 6: Final answer
    x = 23,413.79

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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.