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Finding the Fourth Proportional to 9,603.40, 14,405.80 and 3,362.72

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Solution

The fourth proportional to 9,603.40, 14,405.80 and 3,362.72 is: 5,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.40 : 14,405.80 = 3,362.72 : x
  2. Step 2: Convert to fraction form
    9,603.40/14,405.80 = 3,362.72/x
  3. Step 3: Cross multiply
    9,603.40x = 14,405.80 × 3,362.72
  4. Step 4: Simplify right side
    9,603.40x = 48,442,671.78
  5. Step 5: Solve for x
    x = 48,442,671.78/9,603.40
  6. Step 6: Final answer
    x = 5,044.33

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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.