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Finding the Fourth Proportional to 70,441.19, 105,696.45 and 32,994.78

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Solution

The fourth proportional to 70,441.19, 105,696.45 and 32,994.78 is: 49,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,441.19 : 105,696.45 = 32,994.78 : x
  2. Step 2: Convert to fraction form
    70,441.19/105,696.45 = 32,994.78/x
  3. Step 3: Cross multiply
    70,441.19x = 105,696.45 × 32,994.78
  4. Step 4: Simplify right side
    70,441.19x = 3,487,431,114.53
  5. Step 5: Solve for x
    x = 3,487,431,114.53/70,441.19
  6. Step 6: Final answer
    x = 49,508.41

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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.