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Finding the Fourth Proportional to 7,937.55, 10,941.28 and 6,256.31

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Solution

The fourth proportional to 7,937.55, 10,941.28 and 6,256.31 is: 8,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.55 : 10,941.28 = 6,256.31 : x
  2. Step 2: Convert to fraction form
    7,937.55/10,941.28 = 6,256.31/x
  3. Step 3: Cross multiply
    7,937.55x = 10,941.28 × 6,256.31
  4. Step 4: Simplify right side
    7,937.55x = 68,451,969.13
  5. Step 5: Solve for x
    x = 68,451,969.13/7,937.55
  6. Step 6: Final answer
    x = 8,623.82

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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.