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Finding the Fourth Proportional to 40,130.80, 60,217.80 and 16,759.60

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Solution

The fourth proportional to 40,130.80, 60,217.80 and 16,759.60 is: 25,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.80 : 60,217.80 = 16,759.60 : x
  2. Step 2: Convert to fraction form
    40,130.80/60,217.80 = 16,759.60/x
  3. Step 3: Cross multiply
    40,130.80x = 60,217.80 × 16,759.60
  4. Step 4: Simplify right side
    40,130.80x = 1,009,226,240.88
  5. Step 5: Solve for x
    x = 1,009,226,240.88/40,130.80
  6. Step 6: Final answer
    x = 25,148.42

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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.