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Finding the Fourth Proportional to 18,535.65, 27,775.95 and 9,743.91

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Solution

The fourth proportional to 18,535.65, 27,775.95 and 9,743.91 is: 14,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.65 : 27,775.95 = 9,743.91 : x
  2. Step 2: Convert to fraction form
    18,535.65/27,775.95 = 9,743.91/x
  3. Step 3: Cross multiply
    18,535.65x = 27,775.95 × 9,743.91
  4. Step 4: Simplify right side
    18,535.65x = 270,646,356.96
  5. Step 5: Solve for x
    x = 270,646,356.96/18,535.65
  6. Step 6: Final answer
    x = 14,601.40

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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.