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Finding the Fourth Proportional to 7,374.53, 10,176.62 and 4,017.31

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Solution

The fourth proportional to 7,374.53, 10,176.62 and 4,017.31 is: 5,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.53 : 10,176.62 = 4,017.31 : x
  2. Step 2: Convert to fraction form
    7,374.53/10,176.62 = 4,017.31/x
  3. Step 3: Cross multiply
    7,374.53x = 10,176.62 × 4,017.31
  4. Step 4: Simplify right side
    7,374.53x = 40,882,591.76
  5. Step 5: Solve for x
    x = 40,882,591.76/7,374.53
  6. Step 6: Final answer
    x = 5,543.75

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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.