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Finding the Fourth Proportional to 7,937.59, 10,949.16 and 4,951.12

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Solution

The fourth proportional to 7,937.59, 10,949.16 and 4,951.12 is: 6,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.59 : 10,949.16 = 4,951.12 : x
  2. Step 2: Convert to fraction form
    7,937.59/10,949.16 = 4,951.12/x
  3. Step 3: Cross multiply
    7,937.59x = 10,949.16 × 4,951.12
  4. Step 4: Simplify right side
    7,937.59x = 54,210,605.06
  5. Step 5: Solve for x
    x = 54,210,605.06/7,937.59
  6. Step 6: Final answer
    x = 6,829.61

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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.