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Finding the Fourth Proportional to 14,551.56, 20,080.26 and 8,583.48

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Solution

The fourth proportional to 14,551.56, 20,080.26 and 8,583.48 is: 11,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.56 : 20,080.26 = 8,583.48 : x
  2. Step 2: Convert to fraction form
    14,551.56/20,080.26 = 8,583.48/x
  3. Step 3: Cross multiply
    14,551.56x = 20,080.26 × 8,583.48
  4. Step 4: Simplify right side
    14,551.56x = 172,358,510.10
  5. Step 5: Solve for x
    x = 172,358,510.10/14,551.56
  6. Step 6: Final answer
    x = 11,844.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.