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Finding the Fourth Proportional to 7,523.76, 10,382.58 and 4,379.88

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Solution

The fourth proportional to 7,523.76, 10,382.58 and 4,379.88 is: 6,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.76 : 10,382.58 = 4,379.88 : x
  2. Step 2: Convert to fraction form
    7,523.76/10,382.58 = 4,379.88/x
  3. Step 3: Cross multiply
    7,523.76x = 10,382.58 × 4,379.88
  4. Step 4: Simplify right side
    7,523.76x = 45,474,454.49
  5. Step 5: Solve for x
    x = 45,474,454.49/7,523.76
  6. Step 6: Final answer
    x = 6,044.11

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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.