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Finding the Fourth Proportional to 58,967.48, 81,319.56 and 45,517.52

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Solution

The fourth proportional to 58,967.48, 81,319.56 and 45,517.52 is: 62,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,967.48 : 81,319.56 = 45,517.52 : x
  2. Step 2: Convert to fraction form
    58,967.48/81,319.56 = 45,517.52/x
  3. Step 3: Cross multiply
    58,967.48x = 81,319.56 × 45,517.52
  4. Step 4: Simplify right side
    58,967.48x = 3,701,464,698.69
  5. Step 5: Solve for x
    x = 3,701,464,698.69/58,967.48
  6. Step 6: Final answer
    x = 62,771.29

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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.