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Finding the Fourth Proportional to 61,353.36, 92,046.76 and 21,914.48

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Solution

The fourth proportional to 61,353.36, 92,046.76 and 21,914.48 is: 32,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,353.36 : 92,046.76 = 21,914.48 : x
  2. Step 2: Convert to fraction form
    61,353.36/92,046.76 = 21,914.48/x
  3. Step 3: Cross multiply
    61,353.36x = 92,046.76 × 21,914.48
  4. Step 4: Simplify right side
    61,353.36x = 2,017,156,881.08
  5. Step 5: Solve for x
    x = 2,017,156,881.08/61,353.36
  6. Step 6: Final answer
    x = 32,877.69

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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.