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Finding the Fourth Proportional to 39,963.66, 55,151.66 and 22,973.42

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Solution

The fourth proportional to 39,963.66, 55,151.66 and 22,973.42 is: 31,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.66 : 55,151.66 = 22,973.42 : x
  2. Step 2: Convert to fraction form
    39,963.66/55,151.66 = 22,973.42/x
  3. Step 3: Cross multiply
    39,963.66x = 55,151.66 × 22,973.42
  4. Step 4: Simplify right side
    39,963.66x = 1,267,022,248.88
  5. Step 5: Solve for x
    x = 1,267,022,248.88/39,963.66
  6. Step 6: Final answer
    x = 31,704.36

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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.