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Finding the Fourth Proportional to 65,687.96, 98,537.37 and 28,248.92

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Solution

The fourth proportional to 65,687.96, 98,537.37 and 28,248.92 is: 42,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,687.96 : 98,537.37 = 28,248.92 : x
  2. Step 2: Convert to fraction form
    65,687.96/98,537.37 = 28,248.92/x
  3. Step 3: Cross multiply
    65,687.96x = 98,537.37 × 28,248.92
  4. Step 4: Simplify right side
    65,687.96x = 2,783,574,282.14
  5. Step 5: Solve for x
    x = 2,783,574,282.14/65,687.96
  6. Step 6: Final answer
    x = 42,375.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.