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Finding the Fourth Proportional to 27,069.86, 40,594.03 and 10,420.65

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Solution

The fourth proportional to 27,069.86, 40,594.03 and 10,420.65 is: 15,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069.86 : 40,594.03 = 10,420.65 : x
  2. Step 2: Convert to fraction form
    27,069.86/40,594.03 = 10,420.65/x
  3. Step 3: Cross multiply
    27,069.86x = 40,594.03 × 10,420.65
  4. Step 4: Simplify right side
    27,069.86x = 423,016,152.67
  5. Step 5: Solve for x
    x = 423,016,152.67/27,069.86
  6. Step 6: Final answer
    x = 15,626.83

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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.