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Finding the Fourth Proportional to 4,482.56, 6,709.79 and 2,899.18

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Solution

The fourth proportional to 4,482.56, 6,709.79 and 2,899.18 is: 4,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.56 : 6,709.79 = 2,899.18 : x
  2. Step 2: Convert to fraction form
    4,482.56/6,709.79 = 2,899.18/x
  3. Step 3: Cross multiply
    4,482.56x = 6,709.79 × 2,899.18
  4. Step 4: Simplify right side
    4,482.56x = 19,452,879.45
  5. Step 5: Solve for x
    x = 19,452,879.45/4,482.56
  6. Step 6: Final answer
    x = 4,339.69

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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.