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Finding the Fourth Proportional to 6,873.57, 10,305.12 and 3,756.24

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Solution

The fourth proportional to 6,873.57, 10,305.12 and 3,756.24 is: 5,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.57 : 10,305.12 = 3,756.24 : x
  2. Step 2: Convert to fraction form
    6,873.57/10,305.12 = 3,756.24/x
  3. Step 3: Cross multiply
    6,873.57x = 10,305.12 × 3,756.24
  4. Step 4: Simplify right side
    6,873.57x = 38,708,503.95
  5. Step 5: Solve for x
    x = 38,708,503.95/6,873.57
  6. Step 6: Final answer
    x = 5,631.50

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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.