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Finding the Fourth Proportional to 49,002.70, 68,516.30 and 49,002.70

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Solution

The fourth proportional to 49,002.70, 68,516.30 and 49,002.70 is: 68,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,002.70 : 68,516.30 = 49,002.70 : x
  2. Step 2: Convert to fraction form
    49,002.70/68,516.30 = 49,002.70/x
  3. Step 3: Cross multiply
    49,002.70x = 68,516.30 × 49,002.70
  4. Step 4: Simplify right side
    49,002.70x = 3,357,483,694.01
  5. Step 5: Solve for x
    x = 3,357,483,694.01/49,002.70
  6. Step 6: Final answer
    x = 68,516.30

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1.5x scale

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.