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Finding the Fourth Proportional to 62,376.76, 86,049.86 and 45,354.60

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Solution

The fourth proportional to 62,376.76, 86,049.86 and 45,354.60 is: 62,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,376.76 : 86,049.86 = 45,354.60 : x
  2. Step 2: Convert to fraction form
    62,376.76/86,049.86 = 45,354.60/x
  3. Step 3: Cross multiply
    62,376.76x = 86,049.86 × 45,354.60
  4. Step 4: Simplify right side
    62,376.76x = 3,902,756,980.36
  5. Step 5: Solve for x
    x = 3,902,756,980.36/62,376.76
  6. Step 6: Final answer
    x = 62,567.48

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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.