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Finding the Fourth Proportional to 4,333.98, 6,502.86 and 1,868.21

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Solution

The fourth proportional to 4,333.98, 6,502.86 and 1,868.21 is: 2,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.98 : 6,502.86 = 1,868.21 : x
  2. Step 2: Convert to fraction form
    4,333.98/6,502.86 = 1,868.21/x
  3. Step 3: Cross multiply
    4,333.98x = 6,502.86 × 1,868.21
  4. Step 4: Simplify right side
    4,333.98x = 12,148,675.57
  5. Step 5: Solve for x
    x = 12,148,675.57/4,333.98
  6. Step 6: Final answer
    x = 2,803.12

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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.