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Finding the Fourth Proportional to 61,788.30, 92,667.87 and 26,708.82

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Solution

The fourth proportional to 61,788.30, 92,667.87 and 26,708.82 is: 40,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.30 : 92,667.87 = 26,708.82 : x
  2. Step 2: Convert to fraction form
    61,788.30/92,667.87 = 26,708.82/x
  3. Step 3: Cross multiply
    61,788.30x = 92,667.87 × 26,708.82
  4. Step 4: Simplify right side
    61,788.30x = 2,475,049,459.61
  5. Step 5: Solve for x
    x = 2,475,049,459.61/61,788.30
  6. Step 6: Final answer
    x = 40,056.93

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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.