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Finding the Fourth Proportional to 53,603.19, 73,974.87 and 29,728.44

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Solution

The fourth proportional to 53,603.19, 73,974.87 and 29,728.44 is: 41,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.19 : 73,974.87 = 29,728.44 : x
  2. Step 2: Convert to fraction form
    53,603.19/73,974.87 = 29,728.44/x
  3. Step 3: Cross multiply
    53,603.19x = 73,974.87 × 29,728.44
  4. Step 4: Simplify right side
    53,603.19x = 2,199,157,484.30
  5. Step 5: Solve for x
    x = 2,199,157,484.30/53,603.19
  6. Step 6: Final answer
    x = 41,026.62

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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.