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Finding the Fourth Proportional to 5,598.18, 7,724.88 and 3,239.46

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Solution

The fourth proportional to 5,598.18, 7,724.88 and 3,239.46 is: 4,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.18 : 7,724.88 = 3,239.46 : x
  2. Step 2: Convert to fraction form
    5,598.18/7,724.88 = 3,239.46/x
  3. Step 3: Cross multiply
    5,598.18x = 7,724.88 × 3,239.46
  4. Step 4: Simplify right side
    5,598.18x = 25,024,439.76
  5. Step 5: Solve for x
    x = 25,024,439.76/5,598.18
  6. Step 6: Final answer
    x = 4,470.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.