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Finding the Fourth Proportional to 26,009.59, 38,990.95 and 9,357.91

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Solution

The fourth proportional to 26,009.59, 38,990.95 and 9,357.91 is: 14,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,009.59 : 38,990.95 = 9,357.91 : x
  2. Step 2: Convert to fraction form
    26,009.59/38,990.95 = 9,357.91/x
  3. Step 3: Cross multiply
    26,009.59x = 38,990.95 × 9,357.91
  4. Step 4: Simplify right side
    26,009.59x = 364,873,800.91
  5. Step 5: Solve for x
    x = 364,873,800.91/26,009.59
  6. Step 6: Final answer
    x = 14,028.43

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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.