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Finding the Fourth Proportional to 9,482.15, 14,228.37 and 3,939.32

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Solution

The fourth proportional to 9,482.15, 14,228.37 and 3,939.32 is: 5,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.15 : 14,228.37 = 3,939.32 : x
  2. Step 2: Convert to fraction form
    9,482.15/14,228.37 = 3,939.32/x
  3. Step 3: Cross multiply
    9,482.15x = 14,228.37 × 3,939.32
  4. Step 4: Simplify right side
    9,482.15x = 56,050,138.08
  5. Step 5: Solve for x
    x = 56,050,138.08/9,482.15
  6. Step 6: Final answer
    x = 5,911.12

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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.