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Finding the Fourth Proportional to 19,773.13, 27,287.01 and 10,820.62

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Solution

The fourth proportional to 19,773.13, 27,287.01 and 10,820.62 is: 14,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.13 : 27,287.01 = 10,820.62 : x
  2. Step 2: Convert to fraction form
    19,773.13/27,287.01 = 10,820.62/x
  3. Step 3: Cross multiply
    19,773.13x = 27,287.01 × 10,820.62
  4. Step 4: Simplify right side
    19,773.13x = 295,262,366.15
  5. Step 5: Solve for x
    x = 295,262,366.15/19,773.13
  6. Step 6: Final answer
    x = 14,932.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.