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Finding the Fourth Proportional to 70,151.74, 96,807.98 and 39,524.88

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Solution

The fourth proportional to 70,151.74, 96,807.98 and 39,524.88 is: 54,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.74 : 96,807.98 = 39,524.88 : x
  2. Step 2: Convert to fraction form
    70,151.74/96,807.98 = 39,524.88/x
  3. Step 3: Cross multiply
    70,151.74x = 96,807.98 × 39,524.88
  4. Step 4: Simplify right side
    70,151.74x = 3,826,323,792.54
  5. Step 5: Solve for x
    x = 3,826,323,792.54/70,151.74
  6. Step 6: Final answer
    x = 54,543.53

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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.