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Finding the Fourth Proportional to 22,689.90, 34,034.85 and 11,025.90

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Solution

The fourth proportional to 22,689.90, 34,034.85 and 11,025.90 is: 16,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.90 : 34,034.85 = 11,025.90 : x
  2. Step 2: Convert to fraction form
    22,689.90/34,034.85 = 11,025.90/x
  3. Step 3: Cross multiply
    22,689.90x = 34,034.85 × 11,025.90
  4. Step 4: Simplify right side
    22,689.90x = 375,264,852.62
  5. Step 5: Solve for x
    x = 375,264,852.62/22,689.90
  6. Step 6: Final answer
    x = 16,538.85

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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.