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Finding the Fourth Proportional to 25,147.53, 37,720.08 and 8,502.03

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Solution

The fourth proportional to 25,147.53, 37,720.08 and 8,502.03 is: 12,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.53 : 37,720.08 = 8,502.03 : x
  2. Step 2: Convert to fraction form
    25,147.53/37,720.08 = 8,502.03/x
  3. Step 3: Cross multiply
    25,147.53x = 37,720.08 × 8,502.03
  4. Step 4: Simplify right side
    25,147.53x = 320,697,251.76
  5. Step 5: Solve for x
    x = 320,697,251.76/25,147.53
  6. Step 6: Final answer
    x = 12,752.63

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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.