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Finding the Fourth Proportional to 61,767.71, 92,754.09 and 38,541.77

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Solution

The fourth proportional to 61,767.71, 92,754.09 and 38,541.77 is: 57,876.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,767.71 : 92,754.09 = 38,541.77 : x
  2. Step 2: Convert to fraction form
    61,767.71/92,754.09 = 38,541.77/x
  3. Step 3: Cross multiply
    61,767.71x = 92,754.09 × 38,541.77
  4. Step 4: Simplify right side
    61,767.71x = 3,574,907,100.74
  5. Step 5: Solve for x
    x = 3,574,907,100.74/61,767.71
  6. Step 6: Final answer
    x = 57,876.63

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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.