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Finding the Fourth Proportional to 14,241.76, 21,357.20 and 6,844.16

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Solution

The fourth proportional to 14,241.76, 21,357.20 and 6,844.16 is: 10,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.76 : 21,357.20 = 6,844.16 : x
  2. Step 2: Convert to fraction form
    14,241.76/21,357.20 = 6,844.16/x
  3. Step 3: Cross multiply
    14,241.76x = 21,357.20 × 6,844.16
  4. Step 4: Simplify right side
    14,241.76x = 146,172,093.95
  5. Step 5: Solve for x
    x = 146,172,093.95/14,241.76
  6. Step 6: Final answer
    x = 10,263.63

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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.