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Finding the Fourth Proportional to 61,529.60, 84,910.84 and 33,235.28

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Solution

The fourth proportional to 61,529.60, 84,910.84 and 33,235.28 is: 45,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,529.60 : 84,910.84 = 33,235.28 : x
  2. Step 2: Convert to fraction form
    61,529.60/84,910.84 = 33,235.28/x
  3. Step 3: Cross multiply
    61,529.60x = 84,910.84 × 33,235.28
  4. Step 4: Simplify right side
    61,529.60x = 2,822,035,542.44
  5. Step 5: Solve for x
    x = 2,822,035,542.44/61,529.60
  6. Step 6: Final answer
    x = 45,864.68

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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.