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Finding the Fourth Proportional to 41,076, 61,618.86 and 13,374

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Solution

The fourth proportional to 41,076, 61,618.86 and 13,374 is: 20,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,076 : 61,618.86 = 13,374 : x
  2. Step 2: Convert to fraction form
    41,076/61,618.86 = 13,374/x
  3. Step 3: Cross multiply
    41,076x = 61,618.86 × 13,374
  4. Step 4: Simplify right side
    41,076x = 824,090,633.64
  5. Step 5: Solve for x
    x = 824,090,633.64/41,076
  6. Step 6: Final answer
    x = 20,062.58

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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.