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Finding the Fourth Proportional to 3,674.68, 5,506.72 and 2,838.84

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Solution

The fourth proportional to 3,674.68, 5,506.72 and 2,838.84 is: 4,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.68 : 5,506.72 = 2,838.84 : x
  2. Step 2: Convert to fraction form
    3,674.68/5,506.72 = 2,838.84/x
  3. Step 3: Cross multiply
    3,674.68x = 5,506.72 × 2,838.84
  4. Step 4: Simplify right side
    3,674.68x = 15,632,697.00
  5. Step 5: Solve for x
    x = 15,632,697.00/3,674.68
  6. Step 6: Final answer
    x = 4,254.17

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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.