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Finding the Fourth Proportional to 70,552.14, 97,362.02 and 38,286.76

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Solution

The fourth proportional to 70,552.14, 97,362.02 and 38,286.76 is: 52,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.14 : 97,362.02 = 38,286.76 : x
  2. Step 2: Convert to fraction form
    70,552.14/97,362.02 = 38,286.76/x
  3. Step 3: Cross multiply
    70,552.14x = 97,362.02 × 38,286.76
  4. Step 4: Simplify right side
    70,552.14x = 3,727,676,584.12
  5. Step 5: Solve for x
    x = 3,727,676,584.12/70,552.14
  6. Step 6: Final answer
    x = 52,835.77

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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.