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Finding the Fourth Proportional to 47,963.70, 67,061.70 and 47,963.70

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Solution

The fourth proportional to 47,963.70, 67,061.70 and 47,963.70 is: 67,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,963.70 : 67,061.70 = 47,963.70 : x
  2. Step 2: Convert to fraction form
    47,963.70/67,061.70 = 47,963.70/x
  3. Step 3: Cross multiply
    47,963.70x = 67,061.70 × 47,963.70
  4. Step 4: Simplify right side
    47,963.70x = 3,216,527,260.29
  5. Step 5: Solve for x
    x = 3,216,527,260.29/47,963.70
  6. Step 6: Final answer
    x = 67,061.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.