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Finding the Fourth Proportional to 7,804.40, 10,770.06 and 4,819.52

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Solution

The fourth proportional to 7,804.40, 10,770.06 and 4,819.52 is: 6,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.40 : 10,770.06 = 4,819.52 : x
  2. Step 2: Convert to fraction form
    7,804.40/10,770.06 = 4,819.52/x
  3. Step 3: Cross multiply
    7,804.40x = 10,770.06 × 4,819.52
  4. Step 4: Simplify right side
    7,804.40x = 51,906,519.57
  5. Step 5: Solve for x
    x = 51,906,519.57/7,804.40
  6. Step 6: Final answer
    x = 6,650.93

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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.