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Finding the Fourth Proportional to 2,986.13, 4,472.07 and 1,595.99

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Solution

The fourth proportional to 2,986.13, 4,472.07 and 1,595.99 is: 2,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.13 : 4,472.07 = 1,595.99 : x
  2. Step 2: Convert to fraction form
    2,986.13/4,472.07 = 1,595.99/x
  3. Step 3: Cross multiply
    2,986.13x = 4,472.07 × 1,595.99
  4. Step 4: Simplify right side
    2,986.13x = 7,137,379.00
  5. Step 5: Solve for x
    x = 7,137,379.00/2,986.13
  6. Step 6: Final answer
    x = 2,390.18

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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.