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Finding the Fourth Proportional to 61,445.30, 84,794.54 and 35,956.56

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Solution

The fourth proportional to 61,445.30, 84,794.54 and 35,956.56 is: 49,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,445.30 : 84,794.54 = 35,956.56 : x
  2. Step 2: Convert to fraction form
    61,445.30/84,794.54 = 35,956.56/x
  3. Step 3: Cross multiply
    61,445.30x = 84,794.54 × 35,956.56
  4. Step 4: Simplify right side
    61,445.30x = 3,048,919,785.40
  5. Step 5: Solve for x
    x = 3,048,919,785.40/61,445.30
  6. Step 6: Final answer
    x = 49,620.07

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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.