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Finding the Fourth Proportional to 8,890.92, 13,344.47 and 4,734.41

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Solution

The fourth proportional to 8,890.92, 13,344.47 and 4,734.41 is: 7,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.92 : 13,344.47 = 4,734.41 : x
  2. Step 2: Convert to fraction form
    8,890.92/13,344.47 = 4,734.41/x
  3. Step 3: Cross multiply
    8,890.92x = 13,344.47 × 4,734.41
  4. Step 4: Simplify right side
    8,890.92x = 63,178,192.21
  5. Step 5: Solve for x
    x = 63,178,192.21/8,890.92
  6. Step 6: Final answer
    x = 7,105.92

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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.