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Finding the Fourth Proportional to 61,070.76, 91,612.62 and 26,013.96

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Solution

The fourth proportional to 61,070.76, 91,612.62 and 26,013.96 is: 39,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070.76 : 91,612.62 = 26,013.96 : x
  2. Step 2: Convert to fraction form
    61,070.76/91,612.62 = 26,013.96/x
  3. Step 3: Cross multiply
    61,070.76x = 91,612.62 × 26,013.96
  4. Step 4: Simplify right side
    61,070.76x = 2,383,207,032.18
  5. Step 5: Solve for x
    x = 2,383,207,032.18/61,070.76
  6. Step 6: Final answer
    x = 39,023.70

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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.