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Finding the Fourth Proportional to 5,757.44, 8,619.72 and 4,376.40

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Solution

The fourth proportional to 5,757.44, 8,619.72 and 4,376.40 is: 6,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.44 : 8,619.72 = 4,376.40 : x
  2. Step 2: Convert to fraction form
    5,757.44/8,619.72 = 4,376.40/x
  3. Step 3: Cross multiply
    5,757.44x = 8,619.72 × 4,376.40
  4. Step 4: Simplify right side
    5,757.44x = 37,723,342.61
  5. Step 5: Solve for x
    x = 37,723,342.61/5,757.44
  6. Step 6: Final answer
    x = 6,552.10

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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.