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Finding the Fourth Proportional to 27,568,432.80, 41,352,649.20 and 27,568,432.80

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Solution

The fourth proportional to 27,568,432.80, 41,352,649.20 and 27,568,432.80 is: 41,352,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568,432.80 : 41,352,649.20 = 27,568,432.80 : x
  2. Step 2: Convert to fraction form
    27,568,432.80/41,352,649.20 = 27,568,432.80/x
  3. Step 3: Cross multiply
    27,568,432.80x = 41,352,649.20 × 27,568,432.80
  4. Step 4: Simplify right side
    27,568,432.80x = 1,140,027,730,572,173.75
  5. Step 5: Solve for x
    x = 1,140,027,730,572,173.75/27,568,432.80
  6. Step 6: Final answer
    x = 41,352,649.20

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Double scale
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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.