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Finding the Fourth Proportional to 3,700.72, 5,549.88 and 1,234.88

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Solution

The fourth proportional to 3,700.72, 5,549.88 and 1,234.88 is: 1,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.72 : 5,549.88 = 1,234.88 : x
  2. Step 2: Convert to fraction form
    3,700.72/5,549.88 = 1,234.88/x
  3. Step 3: Cross multiply
    3,700.72x = 5,549.88 × 1,234.88
  4. Step 4: Simplify right side
    3,700.72x = 6,853,435.81
  5. Step 5: Solve for x
    x = 6,853,435.81/3,700.72
  6. Step 6: Final answer
    x = 1,851.92

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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.