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Finding the Fourth Proportional to 61,590.78, 84,995.10 and 34,733.09

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Solution

The fourth proportional to 61,590.78, 84,995.10 and 34,733.09 is: 47,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590.78 : 84,995.10 = 34,733.09 : x
  2. Step 2: Convert to fraction form
    61,590.78/84,995.10 = 34,733.09/x
  3. Step 3: Cross multiply
    61,590.78x = 84,995.10 × 34,733.09
  4. Step 4: Simplify right side
    61,590.78x = 2,952,142,453.14
  5. Step 5: Solve for x
    x = 2,952,142,453.14/61,590.78
  6. Step 6: Final answer
    x = 47,931.56

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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.