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Finding the Fourth Proportional to 18,075.69, 24,944.19 and 10,117.91

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Solution

The fourth proportional to 18,075.69, 24,944.19 and 10,117.91 is: 13,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.69 : 24,944.19 = 10,117.91 : x
  2. Step 2: Convert to fraction form
    18,075.69/24,944.19 = 10,117.91/x
  3. Step 3: Cross multiply
    18,075.69x = 24,944.19 × 10,117.91
  4. Step 4: Simplify right side
    18,075.69x = 252,382,944.72
  5. Step 5: Solve for x
    x = 252,382,944.72/18,075.69
  6. Step 6: Final answer
    x = 13,962.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.