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Finding the Fourth Proportional to 70,794.96, 97,693.34 and 38,957.72

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Solution

The fourth proportional to 70,794.96, 97,693.34 and 38,957.72 is: 53,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,794.96 : 97,693.34 = 38,957.72 : x
  2. Step 2: Convert to fraction form
    70,794.96/97,693.34 = 38,957.72/x
  3. Step 3: Cross multiply
    70,794.96x = 97,693.34 × 38,957.72
  4. Step 4: Simplify right side
    70,794.96x = 3,805,909,102.33
  5. Step 5: Solve for x
    x = 3,805,909,102.33/70,794.96
  6. Step 6: Final answer
    x = 53,759.61

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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.