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Finding the Fourth Proportional to 8,712.01, 13,073.20 and 6,045.69

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Solution

The fourth proportional to 8,712.01, 13,073.20 and 6,045.69 is: 9,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.01 : 13,073.20 = 6,045.69 : x
  2. Step 2: Convert to fraction form
    8,712.01/13,073.20 = 6,045.69/x
  3. Step 3: Cross multiply
    8,712.01x = 13,073.20 × 6,045.69
  4. Step 4: Simplify right side
    8,712.01x = 79,036,474.88
  5. Step 5: Solve for x
    x = 79,036,474.88/8,712.01
  6. Step 6: Final answer
    x = 9,072.13

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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.