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Finding the Fourth Proportional to 58,343.98, 80,515.72 and 34,470.60

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Solution

The fourth proportional to 58,343.98, 80,515.72 and 34,470.60 is: 47,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,343.98 : 80,515.72 = 34,470.60 : x
  2. Step 2: Convert to fraction form
    58,343.98/80,515.72 = 34,470.60/x
  3. Step 3: Cross multiply
    58,343.98x = 80,515.72 × 34,470.60
  4. Step 4: Simplify right side
    58,343.98x = 2,775,425,091.66
  5. Step 5: Solve for x
    x = 2,775,425,091.66/58,343.98
  6. Step 6: Final answer
    x = 47,570.04

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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.