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Finding the Fourth Proportional to 61,632.58, 92,500.72 and 57,744.58

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Solution

The fourth proportional to 61,632.58, 92,500.72 and 57,744.58 is: 86,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.58 : 92,500.72 = 57,744.58 : x
  2. Step 2: Convert to fraction form
    61,632.58/92,500.72 = 57,744.58/x
  3. Step 3: Cross multiply
    61,632.58x = 92,500.72 × 57,744.58
  4. Step 4: Simplify right side
    61,632.58x = 5,341,415,226.10
  5. Step 5: Solve for x
    x = 5,341,415,226.10/61,632.58
  6. Step 6: Final answer
    x = 86,665.45

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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.