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Finding the Fourth Proportional to 45,507.60, 68,115.60 and 35,593.20

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Solution

The fourth proportional to 45,507.60, 68,115.60 and 35,593.20 is: 53,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.60 : 68,115.60 = 35,593.20 : x
  2. Step 2: Convert to fraction form
    45,507.60/68,115.60 = 35,593.20/x
  3. Step 3: Cross multiply
    45,507.60x = 68,115.60 × 35,593.20
  4. Step 4: Simplify right side
    45,507.60x = 2,424,452,173.92
  5. Step 5: Solve for x
    x = 2,424,452,173.92/45,507.60
  6. Step 6: Final answer
    x = 53,275.76

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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.