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Finding the Fourth Proportional to 58,624.48, 80,865.84 and 47,884.96

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Solution

The fourth proportional to 58,624.48, 80,865.84 and 47,884.96 is: 66,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,624.48 : 80,865.84 = 47,884.96 : x
  2. Step 2: Convert to fraction form
    58,624.48/80,865.84 = 47,884.96/x
  3. Step 3: Cross multiply
    58,624.48x = 80,865.84 × 47,884.96
  4. Step 4: Simplify right side
    58,624.48x = 3,872,257,513.77
  5. Step 5: Solve for x
    x = 3,872,257,513.77/58,624.48
  6. Step 6: Final answer
    x = 66,051.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.