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Finding the Fourth Proportional to 40,427.80, 60,620.10 and 17,027.80

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Solution

The fourth proportional to 40,427.80, 60,620.10 and 17,027.80 is: 25,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.80 : 60,620.10 = 17,027.80 : x
  2. Step 2: Convert to fraction form
    40,427.80/60,620.10 = 17,027.80/x
  3. Step 3: Cross multiply
    40,427.80x = 60,620.10 × 17,027.80
  4. Step 4: Simplify right side
    40,427.80x = 1,032,226,938.78
  5. Step 5: Solve for x
    x = 1,032,226,938.78/40,427.80
  6. Step 6: Final answer
    x = 25,532.60

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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.