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Finding the Fourth Proportional to 61,881.54, 92,835.80 and 35,240.11

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Solution

The fourth proportional to 61,881.54, 92,835.80 and 35,240.11 is: 52,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881.54 : 92,835.80 = 35,240.11 : x
  2. Step 2: Convert to fraction form
    61,881.54/92,835.80 = 35,240.11/x
  3. Step 3: Cross multiply
    61,881.54x = 92,835.80 × 35,240.11
  4. Step 4: Simplify right side
    61,881.54x = 3,271,543,803.94
  5. Step 5: Solve for x
    x = 3,271,543,803.94/61,881.54
  6. Step 6: Final answer
    x = 52,867.85

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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.