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Finding the Fourth Proportional to 58,901.83, 88,291.05 and 28,874.59

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Solution

The fourth proportional to 58,901.83, 88,291.05 and 28,874.59 is: 43,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,901.83 : 88,291.05 = 28,874.59 : x
  2. Step 2: Convert to fraction form
    58,901.83/88,291.05 = 28,874.59/x
  3. Step 3: Cross multiply
    58,901.83x = 88,291.05 × 28,874.59
  4. Step 4: Simplify right side
    58,901.83x = 2,549,367,869.42
  5. Step 5: Solve for x
    x = 2,549,367,869.42/58,901.83
  6. Step 6: Final answer
    x = 43,281.64

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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.