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Finding the Fourth Proportional to 7,520.16, 10,375.92 and 5,653.92

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Solution

The fourth proportional to 7,520.16, 10,375.92 and 5,653.92 is: 7,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.16 : 10,375.92 = 5,653.92 : x
  2. Step 2: Convert to fraction form
    7,520.16/10,375.92 = 5,653.92/x
  3. Step 3: Cross multiply
    7,520.16x = 10,375.92 × 5,653.92
  4. Step 4: Simplify right side
    7,520.16x = 58,664,621.61
  5. Step 5: Solve for x
    x = 58,664,621.61/7,520.16
  6. Step 6: Final answer
    x = 7,800.98

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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.