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Finding the Fourth Proportional to 58,715.28, 81,034.02 and 32,876.28

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Solution

The fourth proportional to 58,715.28, 81,034.02 and 32,876.28 is: 45,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.28 : 81,034.02 = 32,876.28 : x
  2. Step 2: Convert to fraction form
    58,715.28/81,034.02 = 32,876.28/x
  3. Step 3: Cross multiply
    58,715.28x = 81,034.02 × 32,876.28
  4. Step 4: Simplify right side
    58,715.28x = 2,664,097,131.05
  5. Step 5: Solve for x
    x = 2,664,097,131.05/58,715.28
  6. Step 6: Final answer
    x = 45,373.15

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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.