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Finding the Fourth Proportional to 40,214.80, 60,343.80 and 16,843.60

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Solution

The fourth proportional to 40,214.80, 60,343.80 and 16,843.60 is: 25,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.80 : 60,343.80 = 16,843.60 : x
  2. Step 2: Convert to fraction form
    40,214.80/60,343.80 = 16,843.60/x
  3. Step 3: Cross multiply
    40,214.80x = 60,343.80 × 16,843.60
  4. Step 4: Simplify right side
    40,214.80x = 1,016,406,829.68
  5. Step 5: Solve for x
    x = 1,016,406,829.68/40,214.80
  6. Step 6: Final answer
    x = 25,274.45

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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.