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Finding the Fourth Proportional to 9,907.85, 14,859.31 and 3,333.89

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Solution

The fourth proportional to 9,907.85, 14,859.31 and 3,333.89 is: 5,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.85 : 14,859.31 = 3,333.89 : x
  2. Step 2: Convert to fraction form
    9,907.85/14,859.31 = 3,333.89/x
  3. Step 3: Cross multiply
    9,907.85x = 14,859.31 × 3,333.89
  4. Step 4: Simplify right side
    9,907.85x = 49,539,305.02
  5. Step 5: Solve for x
    x = 49,539,305.02/9,907.85
  6. Step 6: Final answer
    x = 5,000.01

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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.