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Finding the Fourth Proportional to 7,471.52, 10,310.80 and 4,819.04

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Solution

The fourth proportional to 7,471.52, 10,310.80 and 4,819.04 is: 6,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.52 : 10,310.80 = 4,819.04 : x
  2. Step 2: Convert to fraction form
    7,471.52/10,310.80 = 4,819.04/x
  3. Step 3: Cross multiply
    7,471.52x = 10,310.80 × 4,819.04
  4. Step 4: Simplify right side
    7,471.52x = 49,688,157.63
  5. Step 5: Solve for x
    x = 49,688,157.63/7,471.52
  6. Step 6: Final answer
    x = 6,650.34

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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.