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Finding the Fourth Proportional to 18,053.57, 27,084.98 and 7,520.08

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Solution

The fourth proportional to 18,053.57, 27,084.98 and 7,520.08 is: 11,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.57 : 27,084.98 = 7,520.08 : x
  2. Step 2: Convert to fraction form
    18,053.57/27,084.98 = 7,520.08/x
  3. Step 3: Cross multiply
    18,053.57x = 27,084.98 × 7,520.08
  4. Step 4: Simplify right side
    18,053.57x = 203,681,216.40
  5. Step 5: Solve for x
    x = 203,681,216.40/18,053.57
  6. Step 6: Final answer
    x = 11,282.05

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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.