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Finding the Fourth Proportional to 67,693.55, 101,549.75 and 28,241.60

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Solution

The fourth proportional to 67,693.55, 101,549.75 and 28,241.60 is: 42,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,693.55 : 101,549.75 = 28,241.60 : x
  2. Step 2: Convert to fraction form
    67,693.55/101,549.75 = 28,241.60/x
  3. Step 3: Cross multiply
    67,693.55x = 101,549.75 × 28,241.60
  4. Step 4: Simplify right side
    67,693.55x = 2,867,926,770.64
  5. Step 5: Solve for x
    x = 2,867,926,770.64/67,693.55
  6. Step 6: Final answer
    x = 42,366.33

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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.