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Finding the Fourth Proportional to 61,590.84, 84,993.60 and 34,733.08

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Solution

The fourth proportional to 61,590.84, 84,993.60 and 34,733.08 is: 47,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590.84 : 84,993.60 = 34,733.08 : x
  2. Step 2: Convert to fraction form
    61,590.84/84,993.60 = 34,733.08/x
  3. Step 3: Cross multiply
    61,590.84x = 84,993.60 × 34,733.08
  4. Step 4: Simplify right side
    61,590.84x = 2,952,089,508.29
  5. Step 5: Solve for x
    x = 2,952,089,508.29/61,590.84
  6. Step 6: Final answer
    x = 47,930.66

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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.