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Finding the Fourth Proportional to 18,329.99, 27,482.65 and 8,463.83

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Solution

The fourth proportional to 18,329.99, 27,482.65 and 8,463.83 is: 12,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.99 : 27,482.65 = 8,463.83 : x
  2. Step 2: Convert to fraction form
    18,329.99/27,482.65 = 8,463.83/x
  3. Step 3: Cross multiply
    18,329.99x = 27,482.65 × 8,463.83
  4. Step 4: Simplify right side
    18,329.99x = 232,608,477.55
  5. Step 5: Solve for x
    x = 232,608,477.55/18,329.99
  6. Step 6: Final answer
    x = 12,690.05

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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.