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Finding the Fourth Proportional to 64,424.55, 96,532.94 and 34,856.31

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Solution

The fourth proportional to 64,424.55, 96,532.94 and 34,856.31 is: 52,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424.55 : 96,532.94 = 34,856.31 : x
  2. Step 2: Convert to fraction form
    64,424.55/96,532.94 = 34,856.31/x
  3. Step 3: Cross multiply
    64,424.55x = 96,532.94 × 34,856.31
  4. Step 4: Simplify right side
    64,424.55x = 3,364,782,081.85
  5. Step 5: Solve for x
    x = 3,364,782,081.85/64,424.55
  6. Step 6: Final answer
    x = 52,228.26

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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.