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Finding the Fourth Proportional to 65,462.48, 90,337.80 and 35,654.48

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Solution

The fourth proportional to 65,462.48, 90,337.80 and 35,654.48 is: 49,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,462.48 : 90,337.80 = 35,654.48 : x
  2. Step 2: Convert to fraction form
    65,462.48/90,337.80 = 35,654.48/x
  3. Step 3: Cross multiply
    65,462.48x = 90,337.80 × 35,654.48
  4. Step 4: Simplify right side
    65,462.48x = 3,220,947,283.34
  5. Step 5: Solve for x
    x = 3,220,947,283.34/65,462.48
  6. Step 6: Final answer
    x = 49,202.95

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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.