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Finding the Fourth Proportional to 40,484.82, 55,869.15 and 22,580.99

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Solution

The fourth proportional to 40,484.82, 55,869.15 and 22,580.99 is: 31,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.82 : 55,869.15 = 22,580.99 : x
  2. Step 2: Convert to fraction form
    40,484.82/55,869.15 = 22,580.99/x
  3. Step 3: Cross multiply
    40,484.82x = 55,869.15 × 22,580.99
  4. Step 4: Simplify right side
    40,484.82x = 1,261,580,732.30
  5. Step 5: Solve for x
    x = 1,261,580,732.30/40,484.82
  6. Step 6: Final answer
    x = 31,161.82

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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.