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Finding the Fourth Proportional to 4,748.48, 7,113.92 and 2,553.92

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Solution

The fourth proportional to 4,748.48, 7,113.92 and 2,553.92 is: 3,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.48 : 7,113.92 = 2,553.92 : x
  2. Step 2: Convert to fraction form
    4,748.48/7,113.92 = 2,553.92/x
  3. Step 3: Cross multiply
    4,748.48x = 7,113.92 × 2,553.92
  4. Step 4: Simplify right side
    4,748.48x = 18,168,382.57
  5. Step 5: Solve for x
    x = 18,168,382.57/4,748.48
  6. Step 6: Final answer
    x = 3,826.15

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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.