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Finding the Fourth Proportional to 61,346.35, 92,019.53 and 21,898.34

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Solution

The fourth proportional to 61,346.35, 92,019.53 and 21,898.34 is: 32,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,346.35 : 92,019.53 = 21,898.34 : x
  2. Step 2: Convert to fraction form
    61,346.35/92,019.53 = 21,898.34/x
  3. Step 3: Cross multiply
    61,346.35x = 92,019.53 × 21,898.34
  4. Step 4: Simplify right side
    61,346.35x = 2,015,074,954.58
  5. Step 5: Solve for x
    x = 2,015,074,954.58/61,346.35
  6. Step 6: Final answer
    x = 32,847.51

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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.