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Finding the Fourth Proportional to 70,679.52, 97,541.28 and 38,852.64

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Solution

The fourth proportional to 70,679.52, 97,541.28 and 38,852.64 is: 53,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.52 : 97,541.28 = 38,852.64 : x
  2. Step 2: Convert to fraction form
    70,679.52/97,541.28 = 38,852.64/x
  3. Step 3: Cross multiply
    70,679.52x = 97,541.28 × 38,852.64
  4. Step 4: Simplify right side
    70,679.52x = 3,789,736,236.98
  5. Step 5: Solve for x
    x = 3,789,736,236.98/70,679.52
  6. Step 6: Final answer
    x = 53,618.59

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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.