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Finding the Fourth Proportional to 4,395.12, 6,603 and 4,146.04

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Solution

The fourth proportional to 4,395.12, 6,603 and 4,146.04 is: 6,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.12 : 6,603 = 4,146.04 : x
  2. Step 2: Convert to fraction form
    4,395.12/6,603 = 4,146.04/x
  3. Step 3: Cross multiply
    4,395.12x = 6,603 × 4,146.04
  4. Step 4: Simplify right side
    4,395.12x = 27,376,302.12
  5. Step 5: Solve for x
    x = 27,376,302.12/4,395.12
  6. Step 6: Final answer
    x = 6,228.80

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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.