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Finding the Fourth Proportional to 14,659.84, 21,960.42 and 7,241.86

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Solution

The fourth proportional to 14,659.84, 21,960.42 and 7,241.86 is: 10,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.84 : 21,960.42 = 7,241.86 : x
  2. Step 2: Convert to fraction form
    14,659.84/21,960.42 = 7,241.86/x
  3. Step 3: Cross multiply
    14,659.84x = 21,960.42 × 7,241.86
  4. Step 4: Simplify right side
    14,659.84x = 159,034,287.18
  5. Step 5: Solve for x
    x = 159,034,287.18/14,659.84
  6. Step 6: Final answer
    x = 10,848.30

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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.