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Finding the Fourth Proportional to 9,907.96, 14,860.32 and 3,670.96

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Solution

The fourth proportional to 9,907.96, 14,860.32 and 3,670.96 is: 5,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.96 : 14,860.32 = 3,670.96 : x
  2. Step 2: Convert to fraction form
    9,907.96/14,860.32 = 3,670.96/x
  3. Step 3: Cross multiply
    9,907.96x = 14,860.32 × 3,670.96
  4. Step 4: Simplify right side
    9,907.96x = 54,551,640.31
  5. Step 5: Solve for x
    x = 54,551,640.31/9,907.96
  6. Step 6: Final answer
    x = 5,505.84

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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.