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Finding the Fourth Proportional to 61,587.99, 84,991.44 and 33,293.67

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Solution

The fourth proportional to 61,587.99, 84,991.44 and 33,293.67 is: 45,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,587.99 : 84,991.44 = 33,293.67 : x
  2. Step 2: Convert to fraction form
    61,587.99/84,991.44 = 33,293.67/x
  3. Step 3: Cross multiply
    61,587.99x = 84,991.44 × 33,293.67
  4. Step 4: Simplify right side
    61,587.99x = 2,829,676,956.18
  5. Step 5: Solve for x
    x = 2,829,676,956.18/61,587.99
  6. Step 6: Final answer
    x = 45,945.27

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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.