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Finding the Fourth Proportional to 18,482.58, 27,670.41 and 16,398.45

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Solution

The fourth proportional to 18,482.58, 27,670.41 and 16,398.45 is: 24,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.58 : 27,670.41 = 16,398.45 : x
  2. Step 2: Convert to fraction form
    18,482.58/27,670.41 = 16,398.45/x
  3. Step 3: Cross multiply
    18,482.58x = 27,670.41 × 16,398.45
  4. Step 4: Simplify right side
    18,482.58x = 453,751,834.86
  5. Step 5: Solve for x
    x = 453,751,834.86/18,482.58
  6. Step 6: Final answer
    x = 24,550.24

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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.