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Finding the Fourth Proportional to 8,987.58, 12,414.54 and 6,850.08

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Solution

The fourth proportional to 8,987.58, 12,414.54 and 6,850.08 is: 9,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.58 : 12,414.54 = 6,850.08 : x
  2. Step 2: Convert to fraction form
    8,987.58/12,414.54 = 6,850.08/x
  3. Step 3: Cross multiply
    8,987.58x = 12,414.54 × 6,850.08
  4. Step 4: Simplify right side
    8,987.58x = 85,040,592.16
  5. Step 5: Solve for x
    x = 85,040,592.16/8,987.58
  6. Step 6: Final answer
    x = 9,462.01

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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.