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Finding the Fourth Proportional to 64,871.55, 97,292.61 and 29,777.49

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Solution

The fourth proportional to 64,871.55, 97,292.61 and 29,777.49 is: 44,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,871.55 : 97,292.61 = 29,777.49 : x
  2. Step 2: Convert to fraction form
    64,871.55/97,292.61 = 29,777.49/x
  3. Step 3: Cross multiply
    64,871.55x = 97,292.61 × 29,777.49
  4. Step 4: Simplify right side
    64,871.55x = 2,897,129,721.35
  5. Step 5: Solve for x
    x = 2,897,129,721.35/64,871.55
  6. Step 6: Final answer
    x = 44,659.48

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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.