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Finding the Fourth Proportional to 7,937.55, 10,953.90 and 4,400.82

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Solution

The fourth proportional to 7,937.55, 10,953.90 and 4,400.82 is: 6,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.55 : 10,953.90 = 4,400.82 : x
  2. Step 2: Convert to fraction form
    7,937.55/10,953.90 = 4,400.82/x
  3. Step 3: Cross multiply
    7,937.55x = 10,953.90 × 4,400.82
  4. Step 4: Simplify right side
    7,937.55x = 48,206,142.20
  5. Step 5: Solve for x
    x = 48,206,142.20/7,937.55
  6. Step 6: Final answer
    x = 6,073.18

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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.