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Finding the Fourth Proportional to 27,210.60, 40,761.90 and 23,963.40

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Solution

The fourth proportional to 27,210.60, 40,761.90 and 23,963.40 is: 35,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.60 : 40,761.90 = 23,963.40 : x
  2. Step 2: Convert to fraction form
    27,210.60/40,761.90 = 23,963.40/x
  3. Step 3: Cross multiply
    27,210.60x = 40,761.90 × 23,963.40
  4. Step 4: Simplify right side
    27,210.60x = 976,793,714.46
  5. Step 5: Solve for x
    x = 976,793,714.46/27,210.60
  6. Step 6: Final answer
    x = 35,897.54

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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.