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Finding the Fourth Proportional to 14,443.52, 21,665.92 and 4,055.04

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Solution

The fourth proportional to 14,443.52, 21,665.92 and 4,055.04 is: 6,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.52 : 21,665.92 = 4,055.04 : x
  2. Step 2: Convert to fraction form
    14,443.52/21,665.92 = 4,055.04/x
  3. Step 3: Cross multiply
    14,443.52x = 21,665.92 × 4,055.04
  4. Step 4: Simplify right side
    14,443.52x = 87,856,172.24
  5. Step 5: Solve for x
    x = 87,856,172.24/14,443.52
  6. Step 6: Final answer
    x = 6,082.74

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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.