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Finding the Fourth Proportional to 7,475.97, 10,242.13 and 7,195.71

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Solution

The fourth proportional to 7,475.97, 10,242.13 and 7,195.71 is: 9,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.97 : 10,242.13 = 7,195.71 : x
  2. Step 2: Convert to fraction form
    7,475.97/10,242.13 = 7,195.71/x
  3. Step 3: Cross multiply
    7,475.97x = 10,242.13 × 7,195.71
  4. Step 4: Simplify right side
    7,475.97x = 73,699,397.26
  5. Step 5: Solve for x
    x = 73,699,397.26/7,475.97
  6. Step 6: Final answer
    x = 9,858.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.