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Finding the Fourth Proportional to 61,488.94, 92,056 and 36,111.54

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Solution

The fourth proportional to 61,488.94, 92,056 and 36,111.54 is: 54,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,488.94 : 92,056 = 36,111.54 : x
  2. Step 2: Convert to fraction form
    61,488.94/92,056 = 36,111.54/x
  3. Step 3: Cross multiply
    61,488.94x = 92,056 × 36,111.54
  4. Step 4: Simplify right side
    61,488.94x = 3,324,283,926.24
  5. Step 5: Solve for x
    x = 3,324,283,926.24/61,488.94
  6. Step 6: Final answer
    x = 54,063.12

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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.