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Finding the Fourth Proportional to 8,045.80, 12,044.40 and 7,073.80

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Solution

The fourth proportional to 8,045.80, 12,044.40 and 7,073.80 is: 10,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.80 : 12,044.40 = 7,073.80 : x
  2. Step 2: Convert to fraction form
    8,045.80/12,044.40 = 7,073.80/x
  3. Step 3: Cross multiply
    8,045.80x = 12,044.40 × 7,073.80
  4. Step 4: Simplify right side
    8,045.80x = 85,199,676.72
  5. Step 5: Solve for x
    x = 85,199,676.72/8,045.80
  6. Step 6: Final answer
    x = 10,589.34

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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.