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Finding the Fourth Proportional to 62,374.72, 86,047.14 and 45,352.60

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Solution

The fourth proportional to 62,374.72, 86,047.14 and 45,352.60 is: 62,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,374.72 : 86,047.14 = 45,352.60 : x
  2. Step 2: Convert to fraction form
    62,374.72/86,047.14 = 45,352.60/x
  3. Step 3: Cross multiply
    62,374.72x = 86,047.14 × 45,352.60
  4. Step 4: Simplify right side
    62,374.72x = 3,902,461,521.56
  5. Step 5: Solve for x
    x = 3,902,461,521.56/62,374.72
  6. Step 6: Final answer
    x = 62,564.79

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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.