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Finding the Fourth Proportional to 27,045.58, 40,572.96 and 8,325.19

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Solution

The fourth proportional to 27,045.58, 40,572.96 and 8,325.19 is: 12,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.58 : 40,572.96 = 8,325.19 : x
  2. Step 2: Convert to fraction form
    27,045.58/40,572.96 = 8,325.19/x
  3. Step 3: Cross multiply
    27,045.58x = 40,572.96 × 8,325.19
  4. Step 4: Simplify right side
    27,045.58x = 337,777,398.00
  5. Step 5: Solve for x
    x = 337,777,398.00/27,045.58
  6. Step 6: Final answer
    x = 12,489.19

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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.