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Finding the Fourth Proportional to 5,322.84, 7,345.04 and 3,084

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Solution

The fourth proportional to 5,322.84, 7,345.04 and 3,084 is: 4,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.84 : 7,345.04 = 3,084 : x
  2. Step 2: Convert to fraction form
    5,322.84/7,345.04 = 3,084/x
  3. Step 3: Cross multiply
    5,322.84x = 7,345.04 × 3,084
  4. Step 4: Simplify right side
    5,322.84x = 22,652,103.36
  5. Step 5: Solve for x
    x = 22,652,103.36/5,322.84
  6. Step 6: Final answer
    x = 4,255.64

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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.