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Finding the Fourth Proportional to 47,878.71, 71,683.05 and 25,338.33

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Solution

The fourth proportional to 47,878.71, 71,683.05 and 25,338.33 is: 37,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,878.71 : 71,683.05 = 25,338.33 : x
  2. Step 2: Convert to fraction form
    47,878.71/71,683.05 = 25,338.33/x
  3. Step 3: Cross multiply
    47,878.71x = 71,683.05 × 25,338.33
  4. Step 4: Simplify right side
    47,878.71x = 1,816,328,776.31
  5. Step 5: Solve for x
    x = 1,816,328,776.31/47,878.71
  6. Step 6: Final answer
    x = 37,936.04

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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.