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Finding the Fourth Proportional to 7,937.64, 10,953.78 and 4,400.82

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Solution

The fourth proportional to 7,937.64, 10,953.78 and 4,400.82 is: 6,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.64 : 10,953.78 = 4,400.82 : x
  2. Step 2: Convert to fraction form
    7,937.64/10,953.78 = 4,400.82/x
  3. Step 3: Cross multiply
    7,937.64x = 10,953.78 × 4,400.82
  4. Step 4: Simplify right side
    7,937.64x = 48,205,614.10
  5. Step 5: Solve for x
    x = 48,205,614.10/7,937.64
  6. Step 6: Final answer
    x = 6,073.04

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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.