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Finding the Fourth Proportional to 9,793.70, 13,510.90 and 6,605.95

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Solution

The fourth proportional to 9,793.70, 13,510.90 and 6,605.95 is: 9,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.70 : 13,510.90 = 6,605.95 : x
  2. Step 2: Convert to fraction form
    9,793.70/13,510.90 = 6,605.95/x
  3. Step 3: Cross multiply
    9,793.70x = 13,510.90 × 6,605.95
  4. Step 4: Simplify right side
    9,793.70x = 89,252,279.56
  5. Step 5: Solve for x
    x = 89,252,279.56/9,793.70
  6. Step 6: Final answer
    x = 9,113.24

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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.