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Finding the Fourth Proportional to 9,793.40, 14,711.70 and 9,426.20

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Solution

The fourth proportional to 9,793.40, 14,711.70 and 9,426.20 is: 14,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.40 : 14,711.70 = 9,426.20 : x
  2. Step 2: Convert to fraction form
    9,793.40/14,711.70 = 9,426.20/x
  3. Step 3: Cross multiply
    9,793.40x = 14,711.70 × 9,426.20
  4. Step 4: Simplify right side
    9,793.40x = 138,675,426.54
  5. Step 5: Solve for x
    x = 138,675,426.54/9,793.40
  6. Step 6: Final answer
    x = 14,160.09

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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.