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Finding the Fourth Proportional to 18,552.70, 27,832.51 and 7,460.24

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Solution

The fourth proportional to 18,552.70, 27,832.51 and 7,460.24 is: 11,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.70 : 27,832.51 = 7,460.24 : x
  2. Step 2: Convert to fraction form
    18,552.70/27,832.51 = 7,460.24/x
  3. Step 3: Cross multiply
    18,552.70x = 27,832.51 × 7,460.24
  4. Step 4: Simplify right side
    18,552.70x = 207,637,204.40
  5. Step 5: Solve for x
    x = 207,637,204.40/18,552.70
  6. Step 6: Final answer
    x = 11,191.75

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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.