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Finding the Fourth Proportional to 70,324.44, 97,047.72 and 38,493.36

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Solution

The fourth proportional to 70,324.44, 97,047.72 and 38,493.36 is: 53,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.44 : 97,047.72 = 38,493.36 : x
  2. Step 2: Convert to fraction form
    70,324.44/97,047.72 = 38,493.36/x
  3. Step 3: Cross multiply
    70,324.44x = 97,047.72 × 38,493.36
  4. Step 4: Simplify right side
    70,324.44x = 3,735,692,823.14
  5. Step 5: Solve for x
    x = 3,735,692,823.14/70,324.44
  6. Step 6: Final answer
    x = 53,120.83

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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.