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Finding the Fourth Proportional to 22,686.84, 34,030.73 and 8,260.65

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Solution

The fourth proportional to 22,686.84, 34,030.73 and 8,260.65 is: 12,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.84 : 34,030.73 = 8,260.65 : x
  2. Step 2: Convert to fraction form
    22,686.84/34,030.73 = 8,260.65/x
  3. Step 3: Cross multiply
    22,686.84x = 34,030.73 × 8,260.65
  4. Step 4: Simplify right side
    22,686.84x = 281,115,970.43
  5. Step 5: Solve for x
    x = 281,115,970.43/22,686.84
  6. Step 6: Final answer
    x = 12,391.15

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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.