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Finding the Fourth Proportional to 8,591.24, 12,888.48 and 2,746.28

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Solution

The fourth proportional to 8,591.24, 12,888.48 and 2,746.28 is: 4,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.24 : 12,888.48 = 2,746.28 : x
  2. Step 2: Convert to fraction form
    8,591.24/12,888.48 = 2,746.28/x
  3. Step 3: Cross multiply
    8,591.24x = 12,888.48 × 2,746.28
  4. Step 4: Simplify right side
    8,591.24x = 35,395,374.85
  5. Step 5: Solve for x
    x = 35,395,374.85/8,591.24
  6. Step 6: Final answer
    x = 4,119.94

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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.