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Finding the Fourth Proportional to 58,034.68, 87,064.55 and 18,052.90

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Solution

The fourth proportional to 58,034.68, 87,064.55 and 18,052.90 is: 27,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,034.68 : 87,064.55 = 18,052.90 : x
  2. Step 2: Convert to fraction form
    58,034.68/87,064.55 = 18,052.90/x
  3. Step 3: Cross multiply
    58,034.68x = 87,064.55 × 18,052.90
  4. Step 4: Simplify right side
    58,034.68x = 1,571,767,614.70
  5. Step 5: Solve for x
    x = 1,571,767,614.70/58,034.68
  6. Step 6: Final answer
    x = 27,083.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.