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Finding the Fourth Proportional to 18,566, 25,621.08 and 10,182.52

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Solution

The fourth proportional to 18,566, 25,621.08 and 10,182.52 is: 14,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566 : 25,621.08 = 10,182.52 : x
  2. Step 2: Convert to fraction form
    18,566/25,621.08 = 10,182.52/x
  3. Step 3: Cross multiply
    18,566x = 25,621.08 × 10,182.52
  4. Step 4: Simplify right side
    18,566x = 260,887,159.52
  5. Step 5: Solve for x
    x = 260,887,159.52/18,566
  6. Step 6: Final answer
    x = 14,051.88

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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.