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Finding the Fourth Proportional to 8,703.70, 13,033.46 and 7,294.41

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Solution

The fourth proportional to 8,703.70, 13,033.46 and 7,294.41 is: 10,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.70 : 13,033.46 = 7,294.41 : x
  2. Step 2: Convert to fraction form
    8,703.70/13,033.46 = 7,294.41/x
  3. Step 3: Cross multiply
    8,703.70x = 13,033.46 × 7,294.41
  4. Step 4: Simplify right side
    8,703.70x = 95,071,400.96
  5. Step 5: Solve for x
    x = 95,071,400.96/8,703.70
  6. Step 6: Final answer
    x = 10,923.10

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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.