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Finding the Fourth Proportional to 22,762.82, 34,139.27 and 8,719.65

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Solution

The fourth proportional to 22,762.82, 34,139.27 and 8,719.65 is: 13,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.82 : 34,139.27 = 8,719.65 : x
  2. Step 2: Convert to fraction form
    22,762.82/34,139.27 = 8,719.65/x
  3. Step 3: Cross multiply
    22,762.82x = 34,139.27 × 8,719.65
  4. Step 4: Simplify right side
    22,762.82x = 297,682,507.45
  5. Step 5: Solve for x
    x = 297,682,507.45/22,762.82
  6. Step 6: Final answer
    x = 13,077.57

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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.