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Finding the Fourth Proportional to 8,804.95, 12,149.32 and 5,819.24

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Solution

The fourth proportional to 8,804.95, 12,149.32 and 5,819.24 is: 8,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.95 : 12,149.32 = 5,819.24 : x
  2. Step 2: Convert to fraction form
    8,804.95/12,149.32 = 5,819.24/x
  3. Step 3: Cross multiply
    8,804.95x = 12,149.32 × 5,819.24
  4. Step 4: Simplify right side
    8,804.95x = 70,699,819.29
  5. Step 5: Solve for x
    x = 70,699,819.29/8,804.95
  6. Step 6: Final answer
    x = 8,029.55

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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.