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Finding the Fourth Proportional to 27,658.60, 41,411.10 and 26,890.60

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Solution

The fourth proportional to 27,658.60, 41,411.10 and 26,890.60 is: 40,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658.60 : 41,411.10 = 26,890.60 : x
  2. Step 2: Convert to fraction form
    27,658.60/41,411.10 = 26,890.60/x
  3. Step 3: Cross multiply
    27,658.60x = 41,411.10 × 26,890.60
  4. Step 4: Simplify right side
    27,658.60x = 1,113,569,325.66
  5. Step 5: Solve for x
    x = 1,113,569,325.66/27,658.60
  6. Step 6: Final answer
    x = 40,261.23

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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.