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Finding the Fourth Proportional to 70,016.91, 96,622.16 and 38,183.91

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Solution

The fourth proportional to 70,016.91, 96,622.16 and 38,183.91 is: 52,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016.91 : 96,622.16 = 38,183.91 : x
  2. Step 2: Convert to fraction form
    70,016.91/96,622.16 = 38,183.91/x
  3. Step 3: Cross multiply
    70,016.91x = 96,622.16 × 38,183.91
  4. Step 4: Simplify right side
    70,016.91x = 3,689,411,861.45
  5. Step 5: Solve for x
    x = 3,689,411,861.45/70,016.91
  6. Step 6: Final answer
    x = 52,693.15

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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.