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Finding the Fourth Proportional to 61,590.42, 84,994.92 and 33,296.10

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Solution

The fourth proportional to 61,590.42, 84,994.92 and 33,296.10 is: 45,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590.42 : 84,994.92 = 33,296.10 : x
  2. Step 2: Convert to fraction form
    61,590.42/84,994.92 = 33,296.10/x
  3. Step 3: Cross multiply
    61,590.42x = 84,994.92 × 33,296.10
  4. Step 4: Simplify right side
    61,590.42x = 2,829,999,355.81
  5. Step 5: Solve for x
    x = 2,829,999,355.81/61,590.42
  6. Step 6: Final answer
    x = 45,948.69

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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.