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Finding the Fourth Proportional to 8,986.55, 13,479.86 and 4,050.46

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Solution

The fourth proportional to 8,986.55, 13,479.86 and 4,050.46 is: 6,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.55 : 13,479.86 = 4,050.46 : x
  2. Step 2: Convert to fraction form
    8,986.55/13,479.86 = 4,050.46/x
  3. Step 3: Cross multiply
    8,986.55x = 13,479.86 × 4,050.46
  4. Step 4: Simplify right side
    8,986.55x = 54,599,633.74
  5. Step 5: Solve for x
    x = 54,599,633.74/8,986.55
  6. Step 6: Final answer
    x = 6,075.71

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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.