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Finding the Fourth Proportional to 70,632.83, 97,473.29 and 38,801.70

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Solution

The fourth proportional to 70,632.83, 97,473.29 and 38,801.70 is: 53,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.83 : 97,473.29 = 38,801.70 : x
  2. Step 2: Convert to fraction form
    70,632.83/97,473.29 = 38,801.70/x
  3. Step 3: Cross multiply
    70,632.83x = 97,473.29 × 38,801.70
  4. Step 4: Simplify right side
    70,632.83x = 3,782,129,162.58
  5. Step 5: Solve for x
    x = 3,782,129,162.58/70,632.83
  6. Step 6: Final answer
    x = 53,546.33

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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.