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Finding the Fourth Proportional to 69,622.62, 96,079.32 and 37,791.53

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Solution

The fourth proportional to 69,622.62, 96,079.32 and 37,791.53 is: 52,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,622.62 : 96,079.32 = 37,791.53 : x
  2. Step 2: Convert to fraction form
    69,622.62/96,079.32 = 37,791.53/x
  3. Step 3: Cross multiply
    69,622.62x = 96,079.32 × 37,791.53
  4. Step 4: Simplify right side
    69,622.62x = 3,630,984,023.76
  5. Step 5: Solve for x
    x = 3,630,984,023.76/69,622.62
  6. Step 6: Final answer
    x = 52,152.36

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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.