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Finding the Fourth Proportional to 18,794,241.60, 26,255,251.20 and 18,794,241.60

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Solution

The fourth proportional to 18,794,241.60, 26,255,251.20 and 18,794,241.60 is: 26,255,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,241.60 : 26,255,251.20 = 18,794,241.60 : x
  2. Step 2: Convert to fraction form
    18,794,241.60/26,255,251.20 = 18,794,241.60/x
  3. Step 3: Cross multiply
    18,794,241.60x = 26,255,251.20 × 18,794,241.60
  4. Step 4: Simplify right side
    18,794,241.60x = 493,447,534,321,489.94
  5. Step 5: Solve for x
    x = 493,447,534,321,489.94/18,794,241.60
  6. Step 6: Final answer
    x = 26,255,251.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.