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Finding the Fourth Proportional to 44,909.40, 67,388.40 and 18,616.80

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Solution

The fourth proportional to 44,909.40, 67,388.40 and 18,616.80 is: 27,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,909.40 : 67,388.40 = 18,616.80 : x
  2. Step 2: Convert to fraction form
    44,909.40/67,388.40 = 18,616.80/x
  3. Step 3: Cross multiply
    44,909.40x = 67,388.40 × 18,616.80
  4. Step 4: Simplify right side
    44,909.40x = 1,254,556,365.12
  5. Step 5: Solve for x
    x = 1,254,556,365.12/44,909.40
  6. Step 6: Final answer
    x = 27,935.27

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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.