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Finding the Fourth Proportional to 52,141.59, 71,952.62 and 29,479.23

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Solution

The fourth proportional to 52,141.59, 71,952.62 and 29,479.23 is: 40,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,141.59 : 71,952.62 = 29,479.23 : x
  2. Step 2: Convert to fraction form
    52,141.59/71,952.62 = 29,479.23/x
  3. Step 3: Cross multiply
    52,141.59x = 71,952.62 × 29,479.23
  4. Step 4: Simplify right side
    52,141.59x = 2,121,107,686.69
  5. Step 5: Solve for x
    x = 2,121,107,686.69/52,141.59
  6. Step 6: Final answer
    x = 40,679.77

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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.