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Finding the Fourth Proportional to 10,986.63, 16,482.08 and 3,589.11

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Solution

The fourth proportional to 10,986.63, 16,482.08 and 3,589.11 is: 5,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.63 : 16,482.08 = 3,589.11 : x
  2. Step 2: Convert to fraction form
    10,986.63/16,482.08 = 3,589.11/x
  3. Step 3: Cross multiply
    10,986.63x = 16,482.08 × 3,589.11
  4. Step 4: Simplify right side
    10,986.63x = 59,155,998.15
  5. Step 5: Solve for x
    x = 59,155,998.15/10,986.63
  6. Step 6: Final answer
    x = 5,384.36

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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.