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Finding the Fourth Proportional to 8,671.80, 13,007.32 and 2,346.92

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Solution

The fourth proportional to 8,671.80, 13,007.32 and 2,346.92 is: 3,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.80 : 13,007.32 = 2,346.92 : x
  2. Step 2: Convert to fraction form
    8,671.80/13,007.32 = 2,346.92/x
  3. Step 3: Cross multiply
    8,671.80x = 13,007.32 × 2,346.92
  4. Step 4: Simplify right side
    8,671.80x = 30,527,139.45
  5. Step 5: Solve for x
    x = 30,527,139.45/8,671.80
  6. Step 6: Final answer
    x = 3,520.28

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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.