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Finding the Fourth Proportional to 26,559.68, 39,811.68 and 9,913.01

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Solution

The fourth proportional to 26,559.68, 39,811.68 and 9,913.01 is: 14,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.68 : 39,811.68 = 9,913.01 : x
  2. Step 2: Convert to fraction form
    26,559.68/39,811.68 = 9,913.01/x
  3. Step 3: Cross multiply
    26,559.68x = 39,811.68 × 9,913.01
  4. Step 4: Simplify right side
    26,559.68x = 394,653,382.90
  5. Step 5: Solve for x
    x = 394,653,382.90/26,559.68
  6. Step 6: Final answer
    x = 14,859.12

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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.