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Finding the Fourth Proportional to 2,699.42, 3,723.94 and 1,952.18

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Solution

The fourth proportional to 2,699.42, 3,723.94 and 1,952.18 is: 2,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.42 : 3,723.94 = 1,952.18 : x
  2. Step 2: Convert to fraction form
    2,699.42/3,723.94 = 1,952.18/x
  3. Step 3: Cross multiply
    2,699.42x = 3,723.94 × 1,952.18
  4. Step 4: Simplify right side
    2,699.42x = 7,269,801.19
  5. Step 5: Solve for x
    x = 7,269,801.19/2,699.42
  6. Step 6: Final answer
    x = 2,693.10

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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.