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Finding the Fourth Proportional to 2,468.24, 3,701.42 and 712.63

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Solution

The fourth proportional to 2,468.24, 3,701.42 and 712.63 is: 1,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.24 : 3,701.42 = 712.63 : x
  2. Step 2: Convert to fraction form
    2,468.24/3,701.42 = 712.63/x
  3. Step 3: Cross multiply
    2,468.24x = 3,701.42 × 712.63
  4. Step 4: Simplify right side
    2,468.24x = 2,637,742.93
  5. Step 5: Solve for x
    x = 2,637,742.93/2,468.24
  6. Step 6: Final answer
    x = 1,068.67

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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.