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Finding the Fourth Proportional to 14,672.61, 22,006.62 and 4,811.81

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Solution

The fourth proportional to 14,672.61, 22,006.62 and 4,811.81 is: 7,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.61 : 22,006.62 = 4,811.81 : x
  2. Step 2: Convert to fraction form
    14,672.61/22,006.62 = 4,811.81/x
  3. Step 3: Cross multiply
    14,672.61x = 22,006.62 × 4,811.81
  4. Step 4: Simplify right side
    14,672.61x = 105,891,564.15
  5. Step 5: Solve for x
    x = 105,891,564.15/14,672.61
  6. Step 6: Final answer
    x = 7,216.95

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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.