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Finding the Fourth Proportional to 52,876.44, 72,969.42 and 29,003.22

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Solution

The fourth proportional to 52,876.44, 72,969.42 and 29,003.22 is: 40,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.44 : 72,969.42 = 29,003.22 : x
  2. Step 2: Convert to fraction form
    52,876.44/72,969.42 = 29,003.22/x
  3. Step 3: Cross multiply
    52,876.44x = 72,969.42 × 29,003.22
  4. Step 4: Simplify right side
    52,876.44x = 2,116,348,141.53
  5. Step 5: Solve for x
    x = 2,116,348,141.53/52,876.44
  6. Step 6: Final answer
    x = 40,024.41

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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.