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Finding the Fourth Proportional to 22,926, 34,390.62 and 9,075

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Solution

The fourth proportional to 22,926, 34,390.62 and 9,075 is: 13,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926 : 34,390.62 = 9,075 : x
  2. Step 2: Convert to fraction form
    22,926/34,390.62 = 9,075/x
  3. Step 3: Cross multiply
    22,926x = 34,390.62 × 9,075
  4. Step 4: Simplify right side
    22,926x = 312,094,876.50
  5. Step 5: Solve for x
    x = 312,094,876.50/22,926
  6. Step 6: Final answer
    x = 13,613.14

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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.