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Finding the Fourth Proportional to 35,101.52, 52,651.20 and 11,728.16

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Solution

The fourth proportional to 35,101.52, 52,651.20 and 11,728.16 is: 17,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,101.52 : 52,651.20 = 11,728.16 : x
  2. Step 2: Convert to fraction form
    35,101.52/52,651.20 = 11,728.16/x
  3. Step 3: Cross multiply
    35,101.52x = 52,651.20 × 11,728.16
  4. Step 4: Simplify right side
    35,101.52x = 617,501,697.79
  5. Step 5: Solve for x
    x = 617,501,697.79/35,101.52
  6. Step 6: Final answer
    x = 17,591.88

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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.