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Finding the Fourth Proportional to 61,530.29, 84,911.79 and 33,235.98

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Solution

The fourth proportional to 61,530.29, 84,911.79 and 33,235.98 is: 45,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530.29 : 84,911.79 = 33,235.98 : x
  2. Step 2: Convert to fraction form
    61,530.29/84,911.79 = 33,235.98/x
  3. Step 3: Cross multiply
    61,530.29x = 84,911.79 × 33,235.98
  4. Step 4: Simplify right side
    61,530.29x = 2,822,126,360.42
  5. Step 5: Solve for x
    x = 2,822,126,360.42/61,530.29
  6. Step 6: Final answer
    x = 45,865.64

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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.