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Finding the Fourth Proportional to 57,688.86, 86,533.28 and 24,400.28

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Solution

The fourth proportional to 57,688.86, 86,533.28 and 24,400.28 is: 36,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688.86 : 86,533.28 = 24,400.28 : x
  2. Step 2: Convert to fraction form
    57,688.86/86,533.28 = 24,400.28/x
  3. Step 3: Cross multiply
    57,688.86x = 86,533.28 × 24,400.28
  4. Step 4: Simplify right side
    57,688.86x = 2,111,436,261.32
  5. Step 5: Solve for x
    x = 2,111,436,261.32/57,688.86
  6. Step 6: Final answer
    x = 36,600.42

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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.