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Finding the Fourth Proportional to 73,552.50, 101,502.45 and 40,018.74

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Solution

The fourth proportional to 73,552.50, 101,502.45 and 40,018.74 is: 55,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,552.50 : 101,502.45 = 40,018.74 : x
  2. Step 2: Convert to fraction form
    73,552.50/101,502.45 = 40,018.74/x
  3. Step 3: Cross multiply
    73,552.50x = 101,502.45 × 40,018.74
  4. Step 4: Simplify right side
    73,552.50x = 4,062,000,155.91
  5. Step 5: Solve for x
    x = 4,062,000,155.91/73,552.50
  6. Step 6: Final answer
    x = 55,225.86

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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.