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Finding the Fourth Proportional to 58,845.95, 88,241.12 and 21,379.90

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Solution

The fourth proportional to 58,845.95, 88,241.12 and 21,379.90 is: 32,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,845.95 : 88,241.12 = 21,379.90 : x
  2. Step 2: Convert to fraction form
    58,845.95/88,241.12 = 21,379.90/x
  3. Step 3: Cross multiply
    58,845.95x = 88,241.12 × 21,379.90
  4. Step 4: Simplify right side
    58,845.95x = 1,886,585,773.38
  5. Step 5: Solve for x
    x = 1,886,585,773.38/58,845.95
  6. Step 6: Final answer
    x = 32,059.74

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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.