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Finding the Fourth Proportional to 64,553.76, 96,800.40 and 27,105.84

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Solution

The fourth proportional to 64,553.76, 96,800.40 and 27,105.84 is: 40,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,553.76 : 96,800.40 = 27,105.84 : x
  2. Step 2: Convert to fraction form
    64,553.76/96,800.40 = 27,105.84/x
  3. Step 3: Cross multiply
    64,553.76x = 96,800.40 × 27,105.84
  4. Step 4: Simplify right side
    64,553.76x = 2,623,856,154.34
  5. Step 5: Solve for x
    x = 2,623,856,154.34/64,553.76
  6. Step 6: Final answer
    x = 40,646.06

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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.