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Finding the Fourth Proportional to 18,065.66, 24,934.48 and 10,994.36

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Solution

The fourth proportional to 18,065.66, 24,934.48 and 10,994.36 is: 15,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.66 : 24,934.48 = 10,994.36 : x
  2. Step 2: Convert to fraction form
    18,065.66/24,934.48 = 10,994.36/x
  3. Step 3: Cross multiply
    18,065.66x = 24,934.48 × 10,994.36
  4. Step 4: Simplify right side
    18,065.66x = 274,138,649.53
  5. Step 5: Solve for x
    x = 274,138,649.53/18,065.66
  6. Step 6: Final answer
    x = 15,174.57

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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.