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Finding the Fourth Proportional to 9,603.39, 14,408.91 and 4,672.47

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Solution

The fourth proportional to 9,603.39, 14,408.91 and 4,672.47 is: 7,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.39 : 14,408.91 = 4,672.47 : x
  2. Step 2: Convert to fraction form
    9,603.39/14,408.91 = 4,672.47/x
  3. Step 3: Cross multiply
    9,603.39x = 14,408.91 × 4,672.47
  4. Step 4: Simplify right side
    9,603.39x = 67,325,199.71
  5. Step 5: Solve for x
    x = 67,325,199.71/9,603.39
  6. Step 6: Final answer
    x = 7,010.57

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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.