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Finding the Fourth Proportional to 26,260.50, 36,239.49 and 19,551.90

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Solution

The fourth proportional to 26,260.50, 36,239.49 and 19,551.90 is: 26,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.50 : 36,239.49 = 19,551.90 : x
  2. Step 2: Convert to fraction form
    26,260.50/36,239.49 = 19,551.90/x
  3. Step 3: Cross multiply
    26,260.50x = 36,239.49 × 19,551.90
  4. Step 4: Simplify right side
    26,260.50x = 708,550,884.53
  5. Step 5: Solve for x
    x = 708,550,884.53/26,260.50
  6. Step 6: Final answer
    x = 26,981.62

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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.