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Finding the Fourth Proportional to 8,313.71, 12,470.46 and 2,073.70

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Solution

The fourth proportional to 8,313.71, 12,470.46 and 2,073.70 is: 3,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.71 : 12,470.46 = 2,073.70 : x
  2. Step 2: Convert to fraction form
    8,313.71/12,470.46 = 2,073.70/x
  3. Step 3: Cross multiply
    8,313.71x = 12,470.46 × 2,073.70
  4. Step 4: Simplify right side
    8,313.71x = 25,860,000.71
  5. Step 5: Solve for x
    x = 25,860,000.71/8,313.71
  6. Step 6: Final answer
    x = 3,110.52

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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.