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Finding the Fourth Proportional to 9,937.41, 13,689.99 and 6,947.70

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Solution

The fourth proportional to 9,937.41, 13,689.99 and 6,947.70 is: 9,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.41 : 13,689.99 = 6,947.70 : x
  2. Step 2: Convert to fraction form
    9,937.41/13,689.99 = 6,947.70/x
  3. Step 3: Cross multiply
    9,937.41x = 13,689.99 × 6,947.70
  4. Step 4: Simplify right side
    9,937.41x = 95,113,943.52
  5. Step 5: Solve for x
    x = 95,113,943.52/9,937.41
  6. Step 6: Final answer
    x = 9,571.30

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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.