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Finding the Fourth Proportional to 52,879.98, 72,973.12 and 29,006.44

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Solution

The fourth proportional to 52,879.98, 72,973.12 and 29,006.44 is: 40,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.98 : 72,973.12 = 29,006.44 : x
  2. Step 2: Convert to fraction form
    52,879.98/72,973.12 = 29,006.44/x
  3. Step 3: Cross multiply
    52,879.98x = 72,973.12 × 29,006.44
  4. Step 4: Simplify right side
    52,879.98x = 2,116,690,426.89
  5. Step 5: Solve for x
    x = 2,116,690,426.89/52,879.98
  6. Step 6: Final answer
    x = 40,028.20

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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.