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Finding the Fourth Proportional to 12,079.58, 16,676.97 and 7,607.17

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Solution

The fourth proportional to 12,079.58, 16,676.97 and 7,607.17 is: 10,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.58 : 16,676.97 = 7,607.17 : x
  2. Step 2: Convert to fraction form
    12,079.58/16,676.97 = 7,607.17/x
  3. Step 3: Cross multiply
    12,079.58x = 16,676.97 × 7,607.17
  4. Step 4: Simplify right side
    12,079.58x = 126,864,545.87
  5. Step 5: Solve for x
    x = 126,864,545.87/12,079.58
  6. Step 6: Final answer
    x = 10,502.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.