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Finding the Fourth Proportional to 70,635, 97,471.44 and 38,797.32

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Solution

The fourth proportional to 70,635, 97,471.44 and 38,797.32 is: 53,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,635 : 97,471.44 = 38,797.32 : x
  2. Step 2: Convert to fraction form
    70,635/97,471.44 = 38,797.32/x
  3. Step 3: Cross multiply
    70,635x = 97,471.44 × 38,797.32
  4. Step 4: Simplify right side
    70,635x = 3,781,630,648.54
  5. Step 5: Solve for x
    x = 3,781,630,648.54/70,635
  6. Step 6: Final answer
    x = 53,537.63

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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.