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Finding the Fourth Proportional to 22,678.37, 34,020.62 and 7,885.37

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Solution

The fourth proportional to 22,678.37, 34,020.62 and 7,885.37 is: 11,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.37 : 34,020.62 = 7,885.37 : x
  2. Step 2: Convert to fraction form
    22,678.37/34,020.62 = 7,885.37/x
  3. Step 3: Cross multiply
    22,678.37x = 34,020.62 × 7,885.37
  4. Step 4: Simplify right side
    22,678.37x = 268,265,176.33
  5. Step 5: Solve for x
    x = 268,265,176.33/22,678.37
  6. Step 6: Final answer
    x = 11,829.12

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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.