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Finding the Fourth Proportional to 8,999.68, 13,499.83 and 2,426.02

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Solution

The fourth proportional to 8,999.68, 13,499.83 and 2,426.02 is: 3,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.68 : 13,499.83 = 2,426.02 : x
  2. Step 2: Convert to fraction form
    8,999.68/13,499.83 = 2,426.02/x
  3. Step 3: Cross multiply
    8,999.68x = 13,499.83 × 2,426.02
  4. Step 4: Simplify right side
    8,999.68x = 32,750,857.58
  5. Step 5: Solve for x
    x = 32,750,857.58/8,999.68
  6. Step 6: Final answer
    x = 3,639.11

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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.