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Finding the Fourth Proportional to 38,476.77, 57,733.43 and 26,648.74

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Solution

The fourth proportional to 38,476.77, 57,733.43 and 26,648.74 is: 39,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.77 : 57,733.43 = 26,648.74 : x
  2. Step 2: Convert to fraction form
    38,476.77/57,733.43 = 26,648.74/x
  3. Step 3: Cross multiply
    38,476.77x = 57,733.43 × 26,648.74
  4. Step 4: Simplify right side
    38,476.77x = 1,538,523,104.30
  5. Step 5: Solve for x
    x = 1,538,523,104.30/38,476.77
  6. Step 6: Final answer
    x = 39,985.77

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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.