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Finding the Fourth Proportional to 45,496.60, 68,245.06 and 15,914.28

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Solution

The fourth proportional to 45,496.60, 68,245.06 and 15,914.28 is: 23,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,496.60 : 68,245.06 = 15,914.28 : x
  2. Step 2: Convert to fraction form
    45,496.60/68,245.06 = 15,914.28/x
  3. Step 3: Cross multiply
    45,496.60x = 68,245.06 × 15,914.28
  4. Step 4: Simplify right side
    45,496.60x = 1,086,070,993.46
  5. Step 5: Solve for x
    x = 1,086,070,993.46/45,496.60
  6. Step 6: Final answer
    x = 23,871.48

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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.