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Finding the Fourth Proportional to 26,646.66, 39,926.25 and 9,106.92

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Solution

The fourth proportional to 26,646.66, 39,926.25 and 9,106.92 is: 13,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.66 : 39,926.25 = 9,106.92 : x
  2. Step 2: Convert to fraction form
    26,646.66/39,926.25 = 9,106.92/x
  3. Step 3: Cross multiply
    26,646.66x = 39,926.25 × 9,106.92
  4. Step 4: Simplify right side
    26,646.66x = 363,605,164.65
  5. Step 5: Solve for x
    x = 363,605,164.65/26,646.66
  6. Step 6: Final answer
    x = 13,645.43

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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.