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Finding the Fourth Proportional to 70,462.70, 97,238.30 and 38,197.44

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Solution

The fourth proportional to 70,462.70, 97,238.30 and 38,197.44 is: 52,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,462.70 : 97,238.30 = 38,197.44 : x
  2. Step 2: Convert to fraction form
    70,462.70/97,238.30 = 38,197.44/x
  3. Step 3: Cross multiply
    70,462.70x = 97,238.30 × 38,197.44
  4. Step 4: Simplify right side
    70,462.70x = 3,714,254,129.95
  5. Step 5: Solve for x
    x = 3,714,254,129.95/70,462.70
  6. Step 6: Final answer
    x = 52,712.34

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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.