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Finding the Fourth Proportional to 70,963.47, 97,927.50 and 39,132.36

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Solution

The fourth proportional to 70,963.47, 97,927.50 and 39,132.36 is: 54,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.47 : 97,927.50 = 39,132.36 : x
  2. Step 2: Convert to fraction form
    70,963.47/97,927.50 = 39,132.36/x
  3. Step 3: Cross multiply
    70,963.47x = 97,927.50 × 39,132.36
  4. Step 4: Simplify right side
    70,963.47x = 3,832,134,183.90
  5. Step 5: Solve for x
    x = 3,832,134,183.90/70,963.47
  6. Step 6: Final answer
    x = 54,001.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.