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Finding the Fourth Proportional to 14,542.74, 21,812.04 and 4,682.88

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Solution

The fourth proportional to 14,542.74, 21,812.04 and 4,682.88 is: 7,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.74 : 21,812.04 = 4,682.88 : x
  2. Step 2: Convert to fraction form
    14,542.74/21,812.04 = 4,682.88/x
  3. Step 3: Cross multiply
    14,542.74x = 21,812.04 × 4,682.88
  4. Step 4: Simplify right side
    14,542.74x = 102,143,165.88
  5. Step 5: Solve for x
    x = 102,143,165.88/14,542.74
  6. Step 6: Final answer
    x = 7,023.65

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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.