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Finding the Fourth Proportional to 70,259.74, 96,957.24 and 38,427.96

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Solution

The fourth proportional to 70,259.74, 96,957.24 and 38,427.96 is: 53,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,259.74 : 96,957.24 = 38,427.96 : x
  2. Step 2: Convert to fraction form
    70,259.74/96,957.24 = 38,427.96/x
  3. Step 3: Cross multiply
    70,259.74x = 96,957.24 × 38,427.96
  4. Step 4: Simplify right side
    70,259.74x = 3,725,868,940.43
  5. Step 5: Solve for x
    x = 3,725,868,940.43/70,259.74
  6. Step 6: Final answer
    x = 53,029.93

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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.