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Finding the Fourth Proportional to 50,878.32, 70,230.25 and 34,734.07

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Solution

The fourth proportional to 50,878.32, 70,230.25 and 34,734.07 is: 47,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,878.32 : 70,230.25 = 34,734.07 : x
  2. Step 2: Convert to fraction form
    50,878.32/70,230.25 = 34,734.07/x
  3. Step 3: Cross multiply
    50,878.32x = 70,230.25 × 34,734.07
  4. Step 4: Simplify right side
    50,878.32x = 2,439,382,419.62
  5. Step 5: Solve for x
    x = 2,439,382,419.62/50,878.32
  6. Step 6: Final answer
    x = 47,945.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.