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Finding the Fourth Proportional to 9,062.95, 13,591.15 and 3,138.23

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Solution

The fourth proportional to 9,062.95, 13,591.15 and 3,138.23 is: 4,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.95 : 13,591.15 = 3,138.23 : x
  2. Step 2: Convert to fraction form
    9,062.95/13,591.15 = 3,138.23/x
  3. Step 3: Cross multiply
    9,062.95x = 13,591.15 × 3,138.23
  4. Step 4: Simplify right side
    9,062.95x = 42,652,113.17
  5. Step 5: Solve for x
    x = 42,652,113.17/9,062.95
  6. Step 6: Final answer
    x = 4,706.21

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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.