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Finding the Fourth Proportional to 70,553.52, 97,365.08 and 38,725.40

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Solution

The fourth proportional to 70,553.52, 97,365.08 and 38,725.40 is: 53,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.52 : 97,365.08 = 38,725.40 : x
  2. Step 2: Convert to fraction form
    70,553.52/97,365.08 = 38,725.40/x
  3. Step 3: Cross multiply
    70,553.52x = 97,365.08 × 38,725.40
  4. Step 4: Simplify right side
    70,553.52x = 3,770,501,669.03
  5. Step 5: Solve for x
    x = 3,770,501,669.03/70,553.52
  6. Step 6: Final answer
    x = 53,441.72

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1.5x scale

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.