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Finding the Fourth Proportional to 2,716.68, 3,748.92 and 1,474.68

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Solution

The fourth proportional to 2,716.68, 3,748.92 and 1,474.68 is: 2,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.68 : 3,748.92 = 1,474.68 : x
  2. Step 2: Convert to fraction form
    2,716.68/3,748.92 = 1,474.68/x
  3. Step 3: Cross multiply
    2,716.68x = 3,748.92 × 1,474.68
  4. Step 4: Simplify right side
    2,716.68x = 5,528,457.35
  5. Step 5: Solve for x
    x = 5,528,457.35/2,716.68
  6. Step 6: Final answer
    x = 2,035.00

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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.