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Finding the Fourth Proportional to 26,358.66, 39,532.28 and 8,348.31

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Solution

The fourth proportional to 26,358.66, 39,532.28 and 8,348.31 is: 12,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,358.66 : 39,532.28 = 8,348.31 : x
  2. Step 2: Convert to fraction form
    26,358.66/39,532.28 = 8,348.31/x
  3. Step 3: Cross multiply
    26,358.66x = 39,532.28 × 8,348.31
  4. Step 4: Simplify right side
    26,358.66x = 330,027,686.71
  5. Step 5: Solve for x
    x = 330,027,686.71/26,358.66
  6. Step 6: Final answer
    x = 12,520.65

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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.