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Finding the Fourth Proportional to 58,287.81, 87,418.65 and 22,750.08

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Solution

The fourth proportional to 58,287.81, 87,418.65 and 22,750.08 is: 34,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,287.81 : 87,418.65 = 22,750.08 : x
  2. Step 2: Convert to fraction form
    58,287.81/87,418.65 = 22,750.08/x
  3. Step 3: Cross multiply
    58,287.81x = 87,418.65 × 22,750.08
  4. Step 4: Simplify right side
    58,287.81x = 1,988,781,280.99
  5. Step 5: Solve for x
    x = 1,988,781,280.99/58,287.81
  6. Step 6: Final answer
    x = 34,120.02

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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.