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Finding the Fourth Proportional to 64,212.62, 96,323.54 and 19,833.62

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Solution

The fourth proportional to 64,212.62, 96,323.54 and 19,833.62 is: 29,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.62 : 96,323.54 = 19,833.62 : x
  2. Step 2: Convert to fraction form
    64,212.62/96,323.54 = 19,833.62/x
  3. Step 3: Cross multiply
    64,212.62x = 96,323.54 × 19,833.62
  4. Step 4: Simplify right side
    64,212.62x = 1,910,443,908.63
  5. Step 5: Solve for x
    x = 1,910,443,908.63/64,212.62
  6. Step 6: Final answer
    x = 29,751.85

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1.5x scale

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.