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Finding the Fourth Proportional to 64,497.12, 96,783.05 and 27,053.85

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Solution

The fourth proportional to 64,497.12, 96,783.05 and 27,053.85 is: 40,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497.12 : 96,783.05 = 27,053.85 : x
  2. Step 2: Convert to fraction form
    64,497.12/96,783.05 = 27,053.85/x
  3. Step 3: Cross multiply
    64,497.12x = 96,783.05 × 27,053.85
  4. Step 4: Simplify right side
    64,497.12x = 2,618,354,117.24
  5. Step 5: Solve for x
    x = 2,618,354,117.24/64,497.12
  6. Step 6: Final answer
    x = 40,596.45

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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.