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Finding the Fourth Proportional to 18,574.83, 27,864.68 and 9,810.09

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Solution

The fourth proportional to 18,574.83, 27,864.68 and 9,810.09 is: 14,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.83 : 27,864.68 = 9,810.09 : x
  2. Step 2: Convert to fraction form
    18,574.83/27,864.68 = 9,810.09/x
  3. Step 3: Cross multiply
    18,574.83x = 27,864.68 × 9,810.09
  4. Step 4: Simplify right side
    18,574.83x = 273,354,969.57
  5. Step 5: Solve for x
    x = 273,354,969.57/18,574.83
  6. Step 6: Final answer
    x = 14,716.42

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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.