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Finding the Fourth Proportional to 14,658, 21,906.53 and 10,717.55

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Solution

The fourth proportional to 14,658, 21,906.53 and 10,717.55 is: 16,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658 : 21,906.53 = 10,717.55 : x
  2. Step 2: Convert to fraction form
    14,658/21,906.53 = 10,717.55/x
  3. Step 3: Cross multiply
    14,658x = 21,906.53 × 10,717.55
  4. Step 4: Simplify right side
    14,658x = 234,784,330.60
  5. Step 5: Solve for x
    x = 234,784,330.60/14,658
  6. Step 6: Final answer
    x = 16,017.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.