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Finding the Fourth Proportional to 18,165.68, 27,248.52 and 5,018.06

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Solution

The fourth proportional to 18,165.68, 27,248.52 and 5,018.06 is: 7,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.68 : 27,248.52 = 5,018.06 : x
  2. Step 2: Convert to fraction form
    18,165.68/27,248.52 = 5,018.06/x
  3. Step 3: Cross multiply
    18,165.68x = 27,248.52 × 5,018.06
  4. Step 4: Simplify right side
    18,165.68x = 136,734,641.94
  5. Step 5: Solve for x
    x = 136,734,641.94/18,165.68
  6. Step 6: Final answer
    x = 7,527.08

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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.