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Finding the Fourth Proportional to 61,590.38, 84,994.72 and 33,296.06

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Solution

The fourth proportional to 61,590.38, 84,994.72 and 33,296.06 is: 45,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590.38 : 84,994.72 = 33,296.06 : x
  2. Step 2: Convert to fraction form
    61,590.38/84,994.72 = 33,296.06/x
  3. Step 3: Cross multiply
    61,590.38x = 84,994.72 × 33,296.06
  4. Step 4: Simplify right side
    61,590.38x = 2,829,989,426.05
  5. Step 5: Solve for x
    x = 2,829,989,426.05/61,590.38
  6. Step 6: Final answer
    x = 45,948.57

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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.