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Finding the Fourth Proportional to 9,907.66, 14,867.21 and 3,672.04

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Solution

The fourth proportional to 9,907.66, 14,867.21 and 3,672.04 is: 5,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.66 : 14,867.21 = 3,672.04 : x
  2. Step 2: Convert to fraction form
    9,907.66/14,867.21 = 3,672.04/x
  3. Step 3: Cross multiply
    9,907.66x = 14,867.21 × 3,672.04
  4. Step 4: Simplify right side
    9,907.66x = 54,592,989.81
  5. Step 5: Solve for x
    x = 54,592,989.81/9,907.66
  6. Step 6: Final answer
    x = 5,510.18

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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.