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Finding the Fourth Proportional to 7,613.11, 11,354.56 and 7,348.60

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Solution

The fourth proportional to 7,613.11, 11,354.56 and 7,348.60 is: 10,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.11 : 11,354.56 = 7,348.60 : x
  2. Step 2: Convert to fraction form
    7,613.11/11,354.56 = 7,348.60/x
  3. Step 3: Cross multiply
    7,613.11x = 11,354.56 × 7,348.60
  4. Step 4: Simplify right side
    7,613.11x = 83,440,119.62
  5. Step 5: Solve for x
    x = 83,440,119.62/7,613.11
  6. Step 6: Final answer
    x = 10,960.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.