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Finding the Fourth Proportional to 70,658.80, 97,508.03 and 38,827.02

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Solution

The fourth proportional to 70,658.80, 97,508.03 and 38,827.02 is: 53,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,658.80 : 97,508.03 = 38,827.02 : x
  2. Step 2: Convert to fraction form
    70,658.80/97,508.03 = 38,827.02/x
  3. Step 3: Cross multiply
    70,658.80x = 97,508.03 × 38,827.02
  4. Step 4: Simplify right side
    70,658.80x = 3,785,946,230.97
  5. Step 5: Solve for x
    x = 3,785,946,230.97/70,658.80
  6. Step 6: Final answer
    x = 53,580.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.