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Finding the Fourth Proportional to 52,603.92, 78,903.72 and 29,215.44

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Solution

The fourth proportional to 52,603.92, 78,903.72 and 29,215.44 is: 43,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603.92 : 78,903.72 = 29,215.44 : x
  2. Step 2: Convert to fraction form
    52,603.92/78,903.72 = 29,215.44/x
  3. Step 3: Cross multiply
    52,603.92x = 78,903.72 × 29,215.44
  4. Step 4: Simplify right side
    52,603.92x = 2,305,206,897.44
  5. Step 5: Solve for x
    x = 2,305,206,897.44/52,603.92
  6. Step 6: Final answer
    x = 43,821.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.