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Finding the Fourth Proportional to 6,038.15, 9,049.93 and 4,390.61

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Solution

The fourth proportional to 6,038.15, 9,049.93 and 4,390.61 is: 6,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,038.15 : 9,049.93 = 4,390.61 : x
  2. Step 2: Convert to fraction form
    6,038.15/9,049.93 = 4,390.61/x
  3. Step 3: Cross multiply
    6,038.15x = 9,049.93 × 4,390.61
  4. Step 4: Simplify right side
    6,038.15x = 39,734,713.16
  5. Step 5: Solve for x
    x = 39,734,713.16/6,038.15
  6. Step 6: Final answer
    x = 6,580.61

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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.