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Finding the Fourth Proportional to 57,592.64, 86,413.92 and 28,036.16

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Solution

The fourth proportional to 57,592.64, 86,413.92 and 28,036.16 is: 42,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,592.64 : 86,413.92 = 28,036.16 : x
  2. Step 2: Convert to fraction form
    57,592.64/86,413.92 = 28,036.16/x
  3. Step 3: Cross multiply
    57,592.64x = 86,413.92 × 28,036.16
  4. Step 4: Simplify right side
    57,592.64x = 2,422,714,487.35
  5. Step 5: Solve for x
    x = 2,422,714,487.35/57,592.64
  6. Step 6: Final answer
    x = 42,066.39

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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.