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Finding the Fourth Proportional to 26,633.68, 39,935.52 and 8,854.80

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Solution

The fourth proportional to 26,633.68, 39,935.52 and 8,854.80 is: 13,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.68 : 39,935.52 = 8,854.80 : x
  2. Step 2: Convert to fraction form
    26,633.68/39,935.52 = 8,854.80/x
  3. Step 3: Cross multiply
    26,633.68x = 39,935.52 × 8,854.80
  4. Step 4: Simplify right side
    26,633.68x = 353,621,042.50
  5. Step 5: Solve for x
    x = 353,621,042.50/26,633.68
  6. Step 6: Final answer
    x = 13,277.21

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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.