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Finding the Fourth Proportional to 79,502.62, 109,713.26 and 45,510.92

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Solution

The fourth proportional to 79,502.62, 109,713.26 and 45,510.92 is: 62,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,502.62 : 109,713.26 = 45,510.92 : x
  2. Step 2: Convert to fraction form
    79,502.62/109,713.26 = 45,510.92/x
  3. Step 3: Cross multiply
    79,502.62x = 109,713.26 × 45,510.92
  4. Step 4: Simplify right side
    79,502.62x = 4,993,151,398.80
  5. Step 5: Solve for x
    x = 4,993,151,398.80/79,502.62
  6. Step 6: Final answer
    x = 62,804.87

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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.