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Finding the Fourth Proportional to 44,987.40, 67,468.20 and 13,396.14

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Solution

The fourth proportional to 44,987.40, 67,468.20 and 13,396.14 is: 20,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,987.40 : 67,468.20 = 13,396.14 : x
  2. Step 2: Convert to fraction form
    44,987.40/67,468.20 = 13,396.14/x
  3. Step 3: Cross multiply
    44,987.40x = 67,468.20 × 13,396.14
  4. Step 4: Simplify right side
    44,987.40x = 903,813,452.75
  5. Step 5: Solve for x
    x = 903,813,452.75/44,987.40
  6. Step 6: Final answer
    x = 20,090.37

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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.