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Finding the Fourth Proportional to 3,728.30, 5,592.40 and 954.95

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Solution

The fourth proportional to 3,728.30, 5,592.40 and 954.95 is: 1,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.30 : 5,592.40 = 954.95 : x
  2. Step 2: Convert to fraction form
    3,728.30/5,592.40 = 954.95/x
  3. Step 3: Cross multiply
    3,728.30x = 5,592.40 × 954.95
  4. Step 4: Simplify right side
    3,728.30x = 5,340,434.42
  5. Step 5: Solve for x
    x = 5,340,434.42/3,728.30
  6. Step 6: Final answer
    x = 1,432.41

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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.