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Finding the Fourth Proportional to 14,116.63, 21,174.94 and 4,882.63

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Solution

The fourth proportional to 14,116.63, 21,174.94 and 4,882.63 is: 7,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.63 : 21,174.94 = 4,882.63 : x
  2. Step 2: Convert to fraction form
    14,116.63/21,174.94 = 4,882.63/x
  3. Step 3: Cross multiply
    14,116.63x = 21,174.94 × 4,882.63
  4. Step 4: Simplify right side
    14,116.63x = 103,389,397.29
  5. Step 5: Solve for x
    x = 103,389,397.29/14,116.63
  6. Step 6: Final answer
    x = 7,323.94

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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.