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Finding the Fourth Proportional to 8,093.76, 12,140.70 and 3,473.52

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Solution

The fourth proportional to 8,093.76, 12,140.70 and 3,473.52 is: 5,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.76 : 12,140.70 = 3,473.52 : x
  2. Step 2: Convert to fraction form
    8,093.76/12,140.70 = 3,473.52/x
  3. Step 3: Cross multiply
    8,093.76x = 12,140.70 × 3,473.52
  4. Step 4: Simplify right side
    8,093.76x = 42,170,964.26
  5. Step 5: Solve for x
    x = 42,170,964.26/8,093.76
  6. Step 6: Final answer
    x = 5,210.31

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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.