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Finding the Fourth Proportional to 6,613.61, 9,127.19 and 4,371.59

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Solution

The fourth proportional to 6,613.61, 9,127.19 and 4,371.59 is: 6,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.61 : 9,127.19 = 4,371.59 : x
  2. Step 2: Convert to fraction form
    6,613.61/9,127.19 = 4,371.59/x
  3. Step 3: Cross multiply
    6,613.61x = 9,127.19 × 4,371.59
  4. Step 4: Simplify right side
    6,613.61x = 39,900,333.49
  5. Step 5: Solve for x
    x = 39,900,333.49/6,613.61
  6. Step 6: Final answer
    x = 6,033.07

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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.