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Finding the Fourth Proportional to 62,580.50, 93,891.71 and 20,462.52

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Solution

The fourth proportional to 62,580.50, 93,891.71 and 20,462.52 is: 30,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,580.50 : 93,891.71 = 20,462.52 : x
  2. Step 2: Convert to fraction form
    62,580.50/93,891.71 = 20,462.52/x
  3. Step 3: Cross multiply
    62,580.50x = 93,891.71 × 20,462.52
  4. Step 4: Simplify right side
    62,580.50x = 1,921,261,281.86
  5. Step 5: Solve for x
    x = 1,921,261,281.86/62,580.50
  6. Step 6: Final answer
    x = 30,700.64

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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.