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Finding the Fourth Proportional to 9,913.35, 14,860.47 and 3,671.66

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Solution

The fourth proportional to 9,913.35, 14,860.47 and 3,671.66 is: 5,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.35 : 14,860.47 = 3,671.66 : x
  2. Step 2: Convert to fraction form
    9,913.35/14,860.47 = 3,671.66/x
  3. Step 3: Cross multiply
    9,913.35x = 14,860.47 × 3,671.66
  4. Step 4: Simplify right side
    9,913.35x = 54,562,518.98
  5. Step 5: Solve for x
    x = 54,562,518.98/9,913.35
  6. Step 6: Final answer
    x = 5,503.94

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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.