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Finding the Fourth Proportional to 45,994.32, 68,969.88 and 16,400.16

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Solution

The fourth proportional to 45,994.32, 68,969.88 and 16,400.16 is: 24,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,994.32 : 68,969.88 = 16,400.16 : x
  2. Step 2: Convert to fraction form
    45,994.32/68,969.88 = 16,400.16/x
  3. Step 3: Cross multiply
    45,994.32x = 68,969.88 × 16,400.16
  4. Step 4: Simplify right side
    45,994.32x = 1,131,117,067.18
  5. Step 5: Solve for x
    x = 1,131,117,067.18/45,994.32
  6. Step 6: Final answer
    x = 24,592.54

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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.