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Finding the Fourth Proportional to 18,866.04, 26,034.06 and 10,482

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Solution

The fourth proportional to 18,866.04, 26,034.06 and 10,482 is: 14,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.04 : 26,034.06 = 10,482 : x
  2. Step 2: Convert to fraction form
    18,866.04/26,034.06 = 10,482/x
  3. Step 3: Cross multiply
    18,866.04x = 26,034.06 × 10,482
  4. Step 4: Simplify right side
    18,866.04x = 272,889,016.92
  5. Step 5: Solve for x
    x = 272,889,016.92/18,866.04
  6. Step 6: Final answer
    x = 14,464.56

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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.