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Finding the Fourth Proportional to 57,262.92, 78,995.56 and 38,151.56

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Solution

The fourth proportional to 57,262.92, 78,995.56 and 38,151.56 is: 52,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,262.92 : 78,995.56 = 38,151.56 : x
  2. Step 2: Convert to fraction form
    57,262.92/78,995.56 = 38,151.56/x
  3. Step 3: Cross multiply
    57,262.92x = 78,995.56 × 38,151.56
  4. Step 4: Simplify right side
    57,262.92x = 3,013,803,847.07
  5. Step 5: Solve for x
    x = 3,013,803,847.07/57,262.92
  6. Step 6: Final answer
    x = 52,630.98

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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.