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Finding the Fourth Proportional to 43,737.60, 65,618.08 and 17,460.80

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Solution

The fourth proportional to 43,737.60, 65,618.08 and 17,460.80 is: 26,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,737.60 : 65,618.08 = 17,460.80 : x
  2. Step 2: Convert to fraction form
    43,737.60/65,618.08 = 17,460.80/x
  3. Step 3: Cross multiply
    43,737.60x = 65,618.08 × 17,460.80
  4. Step 4: Simplify right side
    43,737.60x = 1,145,744,171.26
  5. Step 5: Solve for x
    x = 1,145,744,171.26/43,737.60
  6. Step 6: Final answer
    x = 26,195.86

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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.