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Finding the Fourth Proportional to 58,765.91, 88,148.25 and 14,392.89

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Solution

The fourth proportional to 58,765.91, 88,148.25 and 14,392.89 is: 21,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,765.91 : 88,148.25 = 14,392.89 : x
  2. Step 2: Convert to fraction form
    58,765.91/88,148.25 = 14,392.89/x
  3. Step 3: Cross multiply
    58,765.91x = 88,148.25 × 14,392.89
  4. Step 4: Simplify right side
    58,765.91x = 1,268,708,065.94
  5. Step 5: Solve for x
    x = 1,268,708,065.94/58,765.91
  6. Step 6: Final answer
    x = 21,589.19

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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.