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Finding the Fourth Proportional to 8,323.85, 12,482.85 and 2,399.16

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Solution

The fourth proportional to 8,323.85, 12,482.85 and 2,399.16 is: 3,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.85 : 12,482.85 = 2,399.16 : x
  2. Step 2: Convert to fraction form
    8,323.85/12,482.85 = 2,399.16/x
  3. Step 3: Cross multiply
    8,323.85x = 12,482.85 × 2,399.16
  4. Step 4: Simplify right side
    8,323.85x = 29,948,340.00
  5. Step 5: Solve for x
    x = 29,948,340.00/8,323.85
  6. Step 6: Final answer
    x = 3,597.89

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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.