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Finding the Fourth Proportional to 14,489.88, 21,734.81 and 4,101.63

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Solution

The fourth proportional to 14,489.88, 21,734.81 and 4,101.63 is: 6,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.88 : 21,734.81 = 4,101.63 : x
  2. Step 2: Convert to fraction form
    14,489.88/21,734.81 = 4,101.63/x
  3. Step 3: Cross multiply
    14,489.88x = 21,734.81 × 4,101.63
  4. Step 4: Simplify right side
    14,489.88x = 89,148,148.74
  5. Step 5: Solve for x
    x = 89,148,148.74/14,489.88
  6. Step 6: Final answer
    x = 6,152.44

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1.5x scale

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.