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Finding the Fourth Proportional to 5,594.12, 7,713.60 and 4,418

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Solution

The fourth proportional to 5,594.12, 7,713.60 and 4,418 is: 6,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,594.12 : 7,713.60 = 4,418 : x
  2. Step 2: Convert to fraction form
    5,594.12/7,713.60 = 4,418/x
  3. Step 3: Cross multiply
    5,594.12x = 7,713.60 × 4,418
  4. Step 4: Simplify right side
    5,594.12x = 34,078,684.80
  5. Step 5: Solve for x
    x = 34,078,684.80/5,594.12
  6. Step 6: Final answer
    x = 6,091.88

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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.