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Finding the Fourth Proportional to 2,693.40, 3,712.64 and 2,467.40

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Solution

The fourth proportional to 2,693.40, 3,712.64 and 2,467.40 is: 3,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.40 : 3,712.64 = 2,467.40 : x
  2. Step 2: Convert to fraction form
    2,693.40/3,712.64 = 2,467.40/x
  3. Step 3: Cross multiply
    2,693.40x = 3,712.64 × 2,467.40
  4. Step 4: Simplify right side
    2,693.40x = 9,160,567.94
  5. Step 5: Solve for x
    x = 9,160,567.94/2,693.40
  6. Step 6: Final answer
    x = 3,401.12

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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.