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Finding the Fourth Proportional to 14,963, 22,447.74 and 5,729

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Solution

The fourth proportional to 14,963, 22,447.74 and 5,729 is: 8,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963 : 22,447.74 = 5,729 : x
  2. Step 2: Convert to fraction form
    14,963/22,447.74 = 5,729/x
  3. Step 3: Cross multiply
    14,963x = 22,447.74 × 5,729
  4. Step 4: Simplify right side
    14,963x = 128,603,102.46
  5. Step 5: Solve for x
    x = 128,603,102.46/14,963
  6. Step 6: Final answer
    x = 8,594.74

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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.