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Finding the Fourth Proportional to 5,895.90, 8,836.03 and 4,328.57

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Solution

The fourth proportional to 5,895.90, 8,836.03 and 4,328.57 is: 6,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.90 : 8,836.03 = 4,328.57 : x
  2. Step 2: Convert to fraction form
    5,895.90/8,836.03 = 4,328.57/x
  3. Step 3: Cross multiply
    5,895.90x = 8,836.03 × 4,328.57
  4. Step 4: Simplify right side
    5,895.90x = 38,247,385.65
  5. Step 5: Solve for x
    x = 38,247,385.65/5,895.90
  6. Step 6: Final answer
    x = 6,487.12

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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.