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Finding the Fourth Proportional to 22,760.66, 34,140.99 and 7,179.50

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Solution

The fourth proportional to 22,760.66, 34,140.99 and 7,179.50 is: 10,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,760.66 : 34,140.99 = 7,179.50 : x
  2. Step 2: Convert to fraction form
    22,760.66/34,140.99 = 7,179.50/x
  3. Step 3: Cross multiply
    22,760.66x = 34,140.99 × 7,179.50
  4. Step 4: Simplify right side
    22,760.66x = 245,115,237.71
  5. Step 5: Solve for x
    x = 245,115,237.71/22,760.66
  6. Step 6: Final answer
    x = 10,769.25

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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.