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Finding the Fourth Proportional to 26,917.65, 40,364.87 and 8,900.82

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Solution

The fourth proportional to 26,917.65, 40,364.87 and 8,900.82 is: 13,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.65 : 40,364.87 = 8,900.82 : x
  2. Step 2: Convert to fraction form
    26,917.65/40,364.87 = 8,900.82/x
  3. Step 3: Cross multiply
    26,917.65x = 40,364.87 × 8,900.82
  4. Step 4: Simplify right side
    26,917.65x = 359,280,397.69
  5. Step 5: Solve for x
    x = 359,280,397.69/26,917.65
  6. Step 6: Final answer
    x = 13,347.39

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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.