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Finding the Fourth Proportional to 45,447.95, 68,175.04 and 15,449.98

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Solution

The fourth proportional to 45,447.95, 68,175.04 and 15,449.98 is: 23,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.95 : 68,175.04 = 15,449.98 : x
  2. Step 2: Convert to fraction form
    45,447.95/68,175.04 = 15,449.98/x
  3. Step 3: Cross multiply
    45,447.95x = 68,175.04 × 15,449.98
  4. Step 4: Simplify right side
    45,447.95x = 1,053,302,795.44
  5. Step 5: Solve for x
    x = 1,053,302,795.44/45,447.95
  6. Step 6: Final answer
    x = 23,176.02

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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.