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Finding the Fourth Proportional to 64,928.70, 97,429.77 and 35,348.58

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Solution

The fourth proportional to 64,928.70, 97,429.77 and 35,348.58 is: 53,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,928.70 : 97,429.77 = 35,348.58 : x
  2. Step 2: Convert to fraction form
    64,928.70/97,429.77 = 35,348.58/x
  3. Step 3: Cross multiply
    64,928.70x = 97,429.77 × 35,348.58
  4. Step 4: Simplify right side
    64,928.70x = 3,444,004,019.23
  5. Step 5: Solve for x
    x = 3,444,004,019.23/64,928.70
  6. Step 6: Final answer
    x = 53,042.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.