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Finding the Fourth Proportional to 57,459.16, 86,130.42 and 36,392.68

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Solution

The fourth proportional to 57,459.16, 86,130.42 and 36,392.68 is: 54,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459.16 : 86,130.42 = 36,392.68 : x
  2. Step 2: Convert to fraction form
    57,459.16/86,130.42 = 36,392.68/x
  3. Step 3: Cross multiply
    57,459.16x = 86,130.42 × 36,392.68
  4. Step 4: Simplify right side
    57,459.16x = 3,134,516,813.33
  5. Step 5: Solve for x
    x = 3,134,516,813.33/57,459.16
  6. Step 6: Final answer
    x = 54,552.08

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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.