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Finding the Fourth Proportional to 70,096.08, 96,724.08 and 39,885.24

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Solution

The fourth proportional to 70,096.08, 96,724.08 and 39,885.24 is: 55,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,096.08 : 96,724.08 = 39,885.24 : x
  2. Step 2: Convert to fraction form
    70,096.08/96,724.08 = 39,885.24/x
  3. Step 3: Cross multiply
    70,096.08x = 96,724.08 × 39,885.24
  4. Step 4: Simplify right side
    70,096.08x = 3,857,863,144.58
  5. Step 5: Solve for x
    x = 3,857,863,144.58/70,096.08
  6. Step 6: Final answer
    x = 55,036.79

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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.