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Finding the Fourth Proportional to 22,900.65, 34,355.88 and 7,105.35

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Solution

The fourth proportional to 22,900.65, 34,355.88 and 7,105.35 is: 10,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.65 : 34,355.88 = 7,105.35 : x
  2. Step 2: Convert to fraction form
    22,900.65/34,355.88 = 7,105.35/x
  3. Step 3: Cross multiply
    22,900.65x = 34,355.88 × 7,105.35
  4. Step 4: Simplify right side
    22,900.65x = 244,110,551.96
  5. Step 5: Solve for x
    x = 244,110,551.96/22,900.65
  6. Step 6: Final answer
    x = 10,659.55

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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.