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Finding the Fourth Proportional to 8,878.01, 13,319.89 and 5,928.44

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Solution

The fourth proportional to 8,878.01, 13,319.89 and 5,928.44 is: 8,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.01 : 13,319.89 = 5,928.44 : x
  2. Step 2: Convert to fraction form
    8,878.01/13,319.89 = 5,928.44/x
  3. Step 3: Cross multiply
    8,878.01x = 13,319.89 × 5,928.44
  4. Step 4: Simplify right side
    8,878.01x = 78,966,195.52
  5. Step 5: Solve for x
    x = 78,966,195.52/8,878.01
  6. Step 6: Final answer
    x = 8,894.59

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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.