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Finding the Fourth Proportional to 18,370.01, 27,541.15 and 9,475.81

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Solution

The fourth proportional to 18,370.01, 27,541.15 and 9,475.81 is: 14,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.01 : 27,541.15 = 9,475.81 : x
  2. Step 2: Convert to fraction form
    18,370.01/27,541.15 = 9,475.81/x
  3. Step 3: Cross multiply
    18,370.01x = 27,541.15 × 9,475.81
  4. Step 4: Simplify right side
    18,370.01x = 260,974,612.04
  5. Step 5: Solve for x
    x = 260,974,612.04/18,370.01
  6. Step 6: Final answer
    x = 14,206.56

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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.