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Finding the Fourth Proportional to 49,895.79, 74,881.76 and 18,335.76

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Solution

The fourth proportional to 49,895.79, 74,881.76 and 18,335.76 is: 27,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,895.79 : 74,881.76 = 18,335.76 : x
  2. Step 2: Convert to fraction form
    49,895.79/74,881.76 = 18,335.76/x
  3. Step 3: Cross multiply
    49,895.79x = 74,881.76 × 18,335.76
  4. Step 4: Simplify right side
    49,895.79x = 1,373,013,888.06
  5. Step 5: Solve for x
    x = 1,373,013,888.06/49,895.79
  6. Step 6: Final answer
    x = 27,517.63

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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.