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Finding the Fourth Proportional to 8,443.48, 12,664.62 and 2,599.48

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Solution

The fourth proportional to 8,443.48, 12,664.62 and 2,599.48 is: 3,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.48 : 12,664.62 = 2,599.48 : x
  2. Step 2: Convert to fraction form
    8,443.48/12,664.62 = 2,599.48/x
  3. Step 3: Cross multiply
    8,443.48x = 12,664.62 × 2,599.48
  4. Step 4: Simplify right side
    8,443.48x = 32,921,426.40
  5. Step 5: Solve for x
    x = 32,921,426.40/8,443.48
  6. Step 6: Final answer
    x = 3,899.04

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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.