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Finding the Fourth Proportional to 5,059.17, 6,981.12 and 2,963.70

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Solution

The fourth proportional to 5,059.17, 6,981.12 and 2,963.70 is: 4,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.17 : 6,981.12 = 2,963.70 : x
  2. Step 2: Convert to fraction form
    5,059.17/6,981.12 = 2,963.70/x
  3. Step 3: Cross multiply
    5,059.17x = 6,981.12 × 2,963.70
  4. Step 4: Simplify right side
    5,059.17x = 20,689,945.34
  5. Step 5: Solve for x
    x = 20,689,945.34/5,059.17
  6. Step 6: Final answer
    x = 4,089.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.