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Finding the Fourth Proportional to 41,689.84, 62,541.86 and 15,394.72

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Solution

The fourth proportional to 41,689.84, 62,541.86 and 15,394.72 is: 23,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,689.84 : 62,541.86 = 15,394.72 : x
  2. Step 2: Convert to fraction form
    41,689.84/62,541.86 = 15,394.72/x
  3. Step 3: Cross multiply
    41,689.84x = 62,541.86 × 15,394.72
  4. Step 4: Simplify right side
    41,689.84x = 962,814,422.98
  5. Step 5: Solve for x
    x = 962,814,422.98/41,689.84
  6. Step 6: Final answer
    x = 23,094.70

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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.