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Finding the Fourth Proportional to 26,595.39, 39,880.92 and 7,868.76

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Solution

The fourth proportional to 26,595.39, 39,880.92 and 7,868.76 is: 11,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,595.39 : 39,880.92 = 7,868.76 : x
  2. Step 2: Convert to fraction form
    26,595.39/39,880.92 = 7,868.76/x
  3. Step 3: Cross multiply
    26,595.39x = 39,880.92 × 7,868.76
  4. Step 4: Simplify right side
    26,595.39x = 313,813,388.06
  5. Step 5: Solve for x
    x = 313,813,388.06/26,595.39
  6. Step 6: Final answer
    x = 11,799.54

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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.