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Finding the Fourth Proportional to 22,959.77, 34,406.77 and 13,078.65

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Solution

The fourth proportional to 22,959.77, 34,406.77 and 13,078.65 is: 19,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.77 : 34,406.77 = 13,078.65 : x
  2. Step 2: Convert to fraction form
    22,959.77/34,406.77 = 13,078.65/x
  3. Step 3: Cross multiply
    22,959.77x = 34,406.77 × 13,078.65
  4. Step 4: Simplify right side
    22,959.77x = 449,993,897.73
  5. Step 5: Solve for x
    x = 449,993,897.73/22,959.77
  6. Step 6: Final answer
    x = 19,599.24

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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.