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Finding the Fourth Proportional to 70,170.92, 96,834.74 and 38,339.14

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Solution

The fourth proportional to 70,170.92, 96,834.74 and 38,339.14 is: 52,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,170.92 : 96,834.74 = 38,339.14 : x
  2. Step 2: Convert to fraction form
    70,170.92/96,834.74 = 38,339.14/x
  3. Step 3: Cross multiply
    70,170.92x = 96,834.74 × 38,339.14
  4. Step 4: Simplify right side
    70,170.92x = 3,712,560,653.72
  5. Step 5: Solve for x
    x = 3,712,560,653.72/70,170.92
  6. Step 6: Final answer
    x = 52,907.40

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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.