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Finding the Fourth Proportional to 14,497.76, 21,730.08 and 6,165.56

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Solution

The fourth proportional to 14,497.76, 21,730.08 and 6,165.56 is: 9,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.76 : 21,730.08 = 6,165.56 : x
  2. Step 2: Convert to fraction form
    14,497.76/21,730.08 = 6,165.56/x
  3. Step 3: Cross multiply
    14,497.76x = 21,730.08 × 6,165.56
  4. Step 4: Simplify right side
    14,497.76x = 133,978,112.04
  5. Step 5: Solve for x
    x = 133,978,112.04/14,497.76
  6. Step 6: Final answer
    x = 9,241.30

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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.