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Finding the Fourth Proportional to 2,473.60, 3,707.20 and 2,212.16

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Solution

The fourth proportional to 2,473.60, 3,707.20 and 2,212.16 is: 3,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.60 : 3,707.20 = 2,212.16 : x
  2. Step 2: Convert to fraction form
    2,473.60/3,707.20 = 2,212.16/x
  3. Step 3: Cross multiply
    2,473.60x = 3,707.20 × 2,212.16
  4. Step 4: Simplify right side
    2,473.60x = 8,200,919.55
  5. Step 5: Solve for x
    x = 8,200,919.55/2,473.60
  6. Step 6: Final answer
    x = 3,315.38

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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.