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Finding the Fourth Proportional to 18,730.88, 25,848.99 and 10,773.62

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Solution

The fourth proportional to 18,730.88, 25,848.99 and 10,773.62 is: 14,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.88 : 25,848.99 = 10,773.62 : x
  2. Step 2: Convert to fraction form
    18,730.88/25,848.99 = 10,773.62/x
  3. Step 3: Cross multiply
    18,730.88x = 25,848.99 × 10,773.62
  4. Step 4: Simplify right side
    18,730.88x = 278,487,066.40
  5. Step 5: Solve for x
    x = 278,487,066.40/18,730.88
  6. Step 6: Final answer
    x = 14,867.81

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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.