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Finding the Fourth Proportional to 70,035.58, 96,648.48 and 38,203.80

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Solution

The fourth proportional to 70,035.58, 96,648.48 and 38,203.80 is: 52,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.58 : 96,648.48 = 38,203.80 : x
  2. Step 2: Convert to fraction form
    70,035.58/96,648.48 = 38,203.80/x
  3. Step 3: Cross multiply
    70,035.58x = 96,648.48 × 38,203.80
  4. Step 4: Simplify right side
    70,035.58x = 3,692,338,525.96
  5. Step 5: Solve for x
    x = 3,692,338,525.96/70,035.58
  6. Step 6: Final answer
    x = 52,720.90

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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.