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Finding the Fourth Proportional to 9,116.01, 13,675.95 and 5,169.12

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Solution

The fourth proportional to 9,116.01, 13,675.95 and 5,169.12 is: 7,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.01 : 13,675.95 = 5,169.12 : x
  2. Step 2: Convert to fraction form
    9,116.01/13,675.95 = 5,169.12/x
  3. Step 3: Cross multiply
    9,116.01x = 13,675.95 × 5,169.12
  4. Step 4: Simplify right side
    9,116.01x = 70,692,626.66
  5. Step 5: Solve for x
    x = 70,692,626.66/9,116.01
  6. Step 6: Final answer
    x = 7,754.78

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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.