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Finding the Fourth Proportional to 47,295.92, 70,910.62 and 21,968.55

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Solution

The fourth proportional to 47,295.92, 70,910.62 and 21,968.55 is: 32,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,295.92 : 70,910.62 = 21,968.55 : x
  2. Step 2: Convert to fraction form
    47,295.92/70,910.62 = 21,968.55/x
  3. Step 3: Cross multiply
    47,295.92x = 70,910.62 × 21,968.55
  4. Step 4: Simplify right side
    47,295.92x = 1,557,803,268.80
  5. Step 5: Solve for x
    x = 1,557,803,268.80/47,295.92
  6. Step 6: Final answer
    x = 32,937.37

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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.