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Finding the Fourth Proportional to 70,101.32, 96,739.33 and 38,270.22

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Solution

The fourth proportional to 70,101.32, 96,739.33 and 38,270.22 is: 52,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,101.32 : 96,739.33 = 38,270.22 : x
  2. Step 2: Convert to fraction form
    70,101.32/96,739.33 = 38,270.22/x
  3. Step 3: Cross multiply
    70,101.32x = 96,739.33 × 38,270.22
  4. Step 4: Simplify right side
    70,101.32x = 3,702,235,327.14
  5. Step 5: Solve for x
    x = 3,702,235,327.14/70,101.32
  6. Step 6: Final answer
    x = 52,812.63

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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.