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Finding the Fourth Proportional to 52,958.85, 79,726.80 and 45,727.17

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Solution

The fourth proportional to 52,958.85, 79,726.80 and 45,727.17 is: 68,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.85 : 79,726.80 = 45,727.17 : x
  2. Step 2: Convert to fraction form
    52,958.85/79,726.80 = 45,727.17/x
  3. Step 3: Cross multiply
    52,958.85x = 79,726.80 × 45,727.17
  4. Step 4: Simplify right side
    52,958.85x = 3,645,680,937.16
  5. Step 5: Solve for x
    x = 3,645,680,937.16/52,958.85
  6. Step 6: Final answer
    x = 68,839.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.