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Finding the Fourth Proportional to 70,096.58, 96,724.77 and 39,885.74

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Solution

The fourth proportional to 70,096.58, 96,724.77 and 39,885.74 is: 55,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,096.58 : 96,724.77 = 39,885.74 : x
  2. Step 2: Convert to fraction form
    70,096.58/96,724.77 = 39,885.74/x
  3. Step 3: Cross multiply
    70,096.58x = 96,724.77 × 39,885.74
  4. Step 4: Simplify right side
    70,096.58x = 3,857,939,027.78
  5. Step 5: Solve for x
    x = 3,857,939,027.78/70,096.58
  6. Step 6: Final answer
    x = 55,037.48

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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.