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Finding the Fourth Proportional to 70,617.54, 97,453.88 and 38,353.37

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Solution

The fourth proportional to 70,617.54, 97,453.88 and 38,353.37 is: 52,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,617.54 : 97,453.88 = 38,353.37 : x
  2. Step 2: Convert to fraction form
    70,617.54/97,453.88 = 38,353.37/x
  3. Step 3: Cross multiply
    70,617.54x = 97,453.88 × 38,353.37
  4. Step 4: Simplify right side
    70,617.54x = 3,737,684,717.58
  5. Step 5: Solve for x
    x = 3,737,684,717.58/70,617.54
  6. Step 6: Final answer
    x = 52,928.56

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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.