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Finding the Fourth Proportional to 63,147.85, 94,721.54 and 16,400.72

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Solution

The fourth proportional to 63,147.85, 94,721.54 and 16,400.72 is: 24,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.85 : 94,721.54 = 16,400.72 : x
  2. Step 2: Convert to fraction form
    63,147.85/94,721.54 = 16,400.72/x
  3. Step 3: Cross multiply
    63,147.85x = 94,721.54 × 16,400.72
  4. Step 4: Simplify right side
    63,147.85x = 1,553,501,610.31
  5. Step 5: Solve for x
    x = 1,553,501,610.31/63,147.85
  6. Step 6: Final answer
    x = 24,601.02

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1.5x scale

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.