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Finding the Fourth Proportional to 47,244.40, 70,866.60 and 29,791.60

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Solution

The fourth proportional to 47,244.40, 70,866.60 and 29,791.60 is: 44,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,244.40 : 70,866.60 = 29,791.60 : x
  2. Step 2: Convert to fraction form
    47,244.40/70,866.60 = 29,791.60/x
  3. Step 3: Cross multiply
    47,244.40x = 70,866.60 × 29,791.60
  4. Step 4: Simplify right side
    47,244.40x = 2,111,229,400.56
  5. Step 5: Solve for x
    x = 2,111,229,400.56/47,244.40
  6. Step 6: Final answer
    x = 44,687.40

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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.