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Finding the Fourth Proportional to 5,886.60, 8,827.07 and 3,422.13

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Solution

The fourth proportional to 5,886.60, 8,827.07 and 3,422.13 is: 5,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.60 : 8,827.07 = 3,422.13 : x
  2. Step 2: Convert to fraction form
    5,886.60/8,827.07 = 3,422.13/x
  3. Step 3: Cross multiply
    5,886.60x = 8,827.07 × 3,422.13
  4. Step 4: Simplify right side
    5,886.60x = 30,207,363.95
  5. Step 5: Solve for x
    x = 30,207,363.95/5,886.60
  6. Step 6: Final answer
    x = 5,131.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.