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Finding the Fourth Proportional to 26,344.74, 39,510.63 and 7,876.74

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Solution

The fourth proportional to 26,344.74, 39,510.63 and 7,876.74 is: 11,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,344.74 : 39,510.63 = 7,876.74 : x
  2. Step 2: Convert to fraction form
    26,344.74/39,510.63 = 7,876.74/x
  3. Step 3: Cross multiply
    26,344.74x = 39,510.63 × 7,876.74
  4. Step 4: Simplify right side
    26,344.74x = 311,214,959.75
  5. Step 5: Solve for x
    x = 311,214,959.75/26,344.74
  6. Step 6: Final answer
    x = 11,813.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.