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Finding the Fourth Proportional to 5,560.92, 8,374.29 and 4,839.21

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Solution

The fourth proportional to 5,560.92, 8,374.29 and 4,839.21 is: 7,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.92 : 8,374.29 = 4,839.21 : x
  2. Step 2: Convert to fraction form
    5,560.92/8,374.29 = 4,839.21/x
  3. Step 3: Cross multiply
    5,560.92x = 8,374.29 × 4,839.21
  4. Step 4: Simplify right side
    5,560.92x = 40,524,929.76
  5. Step 5: Solve for x
    x = 40,524,929.76/5,560.92
  6. Step 6: Final answer
    x = 7,287.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.