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Finding the Fourth Proportional to 62,375.76, 86,048.48 and 45,353.60

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Solution

The fourth proportional to 62,375.76, 86,048.48 and 45,353.60 is: 62,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,375.76 : 86,048.48 = 45,353.60 : x
  2. Step 2: Convert to fraction form
    62,375.76/86,048.48 = 45,353.60/x
  3. Step 3: Cross multiply
    62,375.76x = 86,048.48 × 45,353.60
  4. Step 4: Simplify right side
    62,375.76x = 3,902,608,342.53
  5. Step 5: Solve for x
    x = 3,902,608,342.53/62,375.76
  6. Step 6: Final answer
    x = 62,566.10

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1.5x scale

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.