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Finding the Fourth Proportional to 5,598.04, 7,721.10 and 5,349.88

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Solution

The fourth proportional to 5,598.04, 7,721.10 and 5,349.88 is: 7,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.04 : 7,721.10 = 5,349.88 : x
  2. Step 2: Convert to fraction form
    5,598.04/7,721.10 = 5,349.88/x
  3. Step 3: Cross multiply
    5,598.04x = 7,721.10 × 5,349.88
  4. Step 4: Simplify right side
    5,598.04x = 41,306,958.47
  5. Step 5: Solve for x
    x = 41,306,958.47/5,598.04
  6. Step 6: Final answer
    x = 7,378.83

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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.