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Finding the Fourth Proportional to 38,401.71, 57,465.71 and 26,557.89

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Solution

The fourth proportional to 38,401.71, 57,465.71 and 26,557.89 is: 39,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.71 : 57,465.71 = 26,557.89 : x
  2. Step 2: Convert to fraction form
    38,401.71/57,465.71 = 26,557.89/x
  3. Step 3: Cross multiply
    38,401.71x = 57,465.71 × 26,557.89
  4. Step 4: Simplify right side
    38,401.71x = 1,526,167,872.16
  5. Step 5: Solve for x
    x = 1,526,167,872.16/38,401.71
  6. Step 6: Final answer
    x = 39,742.19

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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.