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Finding the Fourth Proportional to 45,609.62, 68,358.54 and 25,904.76

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Solution

The fourth proportional to 45,609.62, 68,358.54 and 25,904.76 is: 38,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.62 : 68,358.54 = 25,904.76 : x
  2. Step 2: Convert to fraction form
    45,609.62/68,358.54 = 25,904.76/x
  3. Step 3: Cross multiply
    45,609.62x = 68,358.54 × 25,904.76
  4. Step 4: Simplify right side
    45,609.62x = 1,770,811,572.65
  5. Step 5: Solve for x
    x = 1,770,811,572.65/45,609.62
  6. Step 6: Final answer
    x = 38,825.40

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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.