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Finding the Fourth Proportional to 64,305.47, 96,474 and 51,937.58

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Solution

The fourth proportional to 64,305.47, 96,474 and 51,937.58 is: 77,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,305.47 : 96,474 = 51,937.58 : x
  2. Step 2: Convert to fraction form
    64,305.47/96,474 = 51,937.58/x
  3. Step 3: Cross multiply
    64,305.47x = 96,474 × 51,937.58
  4. Step 4: Simplify right side
    64,305.47x = 5,010,626,092.92
  5. Step 5: Solve for x
    x = 5,010,626,092.92/64,305.47
  6. Step 6: Final answer
    x = 77,919.13

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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.