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Finding the Fourth Proportional to 6,393.56, 8,823.42 and 3,599

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Solution

The fourth proportional to 6,393.56, 8,823.42 and 3,599 is: 4,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.56 : 8,823.42 = 3,599 : x
  2. Step 2: Convert to fraction form
    6,393.56/8,823.42 = 3,599/x
  3. Step 3: Cross multiply
    6,393.56x = 8,823.42 × 3,599
  4. Step 4: Simplify right side
    6,393.56x = 31,755,488.58
  5. Step 5: Solve for x
    x = 31,755,488.58/6,393.56
  6. Step 6: Final answer
    x = 4,966.79

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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.