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Finding the Fourth Proportional to 64,664.64, 97,087.68 and 52,871.04

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Solution

The fourth proportional to 64,664.64, 97,087.68 and 52,871.04 is: 79,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664.64 : 97,087.68 = 52,871.04 : x
  2. Step 2: Convert to fraction form
    64,664.64/97,087.68 = 52,871.04/x
  3. Step 3: Cross multiply
    64,664.64x = 97,087.68 × 52,871.04
  4. Step 4: Simplify right side
    64,664.64x = 5,133,126,612.79
  5. Step 5: Solve for x
    x = 5,133,126,612.79/64,664.64
  6. Step 6: Final answer
    x = 79,380.73

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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.