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Finding the Fourth Proportional to 8,607.04, 12,876.03 and 7,449.63

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Solution

The fourth proportional to 8,607.04, 12,876.03 and 7,449.63 is: 11,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.04 : 12,876.03 = 7,449.63 : x
  2. Step 2: Convert to fraction form
    8,607.04/12,876.03 = 7,449.63/x
  3. Step 3: Cross multiply
    8,607.04x = 12,876.03 × 7,449.63
  4. Step 4: Simplify right side
    8,607.04x = 95,921,611.08
  5. Step 5: Solve for x
    x = 95,921,611.08/8,607.04
  6. Step 6: Final answer
    x = 11,144.56

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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.