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Finding the Fourth Proportional to 70,019.25, 96,707.22 and 50,984.16

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Solution

The fourth proportional to 70,019.25, 96,707.22 and 50,984.16 is: 70,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,019.25 : 96,707.22 = 50,984.16 : x
  2. Step 2: Convert to fraction form
    70,019.25/96,707.22 = 50,984.16/x
  3. Step 3: Cross multiply
    70,019.25x = 96,707.22 × 50,984.16
  4. Step 4: Simplify right side
    70,019.25x = 4,930,536,377.64
  5. Step 5: Solve for x
    x = 4,930,536,377.64/70,019.25
  6. Step 6: Final answer
    x = 70,416.87

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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.