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Finding the Fourth Proportional to 58,531.70, 87,720.99 and 23,495.96

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Solution

The fourth proportional to 58,531.70, 87,720.99 and 23,495.96 is: 35,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.70 : 87,720.99 = 23,495.96 : x
  2. Step 2: Convert to fraction form
    58,531.70/87,720.99 = 23,495.96/x
  3. Step 3: Cross multiply
    58,531.70x = 87,720.99 × 23,495.96
  4. Step 4: Simplify right side
    58,531.70x = 2,061,088,433.60
  5. Step 5: Solve for x
    x = 2,061,088,433.60/58,531.70
  6. Step 6: Final answer
    x = 35,213.20

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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.