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Finding the Fourth Proportional to 70,206.57, 96,885.06 and 38,375.60

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Solution

The fourth proportional to 70,206.57, 96,885.06 and 38,375.60 is: 52,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206.57 : 96,885.06 = 38,375.60 : x
  2. Step 2: Convert to fraction form
    70,206.57/96,885.06 = 38,375.60/x
  3. Step 3: Cross multiply
    70,206.57x = 96,885.06 × 38,375.60
  4. Step 4: Simplify right side
    70,206.57x = 3,718,021,824.11
  5. Step 5: Solve for x
    x = 3,718,021,824.11/70,206.57
  6. Step 6: Final answer
    x = 52,958.32

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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.