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Finding the Fourth Proportional to 23,281.92, 34,920.45 and 6,640.92

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Solution

The fourth proportional to 23,281.92, 34,920.45 and 6,640.92 is: 9,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.92 : 34,920.45 = 6,640.92 : x
  2. Step 2: Convert to fraction form
    23,281.92/34,920.45 = 6,640.92/x
  3. Step 3: Cross multiply
    23,281.92x = 34,920.45 × 6,640.92
  4. Step 4: Simplify right side
    23,281.92x = 231,903,914.81
  5. Step 5: Solve for x
    x = 231,903,914.81/23,281.92
  6. Step 6: Final answer
    x = 9,960.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.