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Finding the Fourth Proportional to 49,267.70, 67,989.51 and 26,911.70

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Solution

The fourth proportional to 49,267.70, 67,989.51 and 26,911.70 is: 37,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,267.70 : 67,989.51 = 26,911.70 : x
  2. Step 2: Convert to fraction form
    49,267.70/67,989.51 = 26,911.70/x
  3. Step 3: Cross multiply
    49,267.70x = 67,989.51 × 26,911.70
  4. Step 4: Simplify right side
    49,267.70x = 1,829,712,956.32
  5. Step 5: Solve for x
    x = 1,829,712,956.32/49,267.70
  6. Step 6: Final answer
    x = 37,138.19

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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.