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Finding the Fourth Proportional to 9,933.95, 14,891.65 and 3,355.53

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Solution

The fourth proportional to 9,933.95, 14,891.65 and 3,355.53 is: 5,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.95 : 14,891.65 = 3,355.53 : x
  2. Step 2: Convert to fraction form
    9,933.95/14,891.65 = 3,355.53/x
  3. Step 3: Cross multiply
    9,933.95x = 14,891.65 × 3,355.53
  4. Step 4: Simplify right side
    9,933.95x = 49,969,378.32
  5. Step 5: Solve for x
    x = 49,969,378.32/9,933.95
  6. Step 6: Final answer
    x = 5,030.16

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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.