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Finding the Fourth Proportional to 9,168.49, 13,756.84 and 4,235.49

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Solution

The fourth proportional to 9,168.49, 13,756.84 and 4,235.49 is: 6,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.49 : 13,756.84 = 4,235.49 : x
  2. Step 2: Convert to fraction form
    9,168.49/13,756.84 = 4,235.49/x
  3. Step 3: Cross multiply
    9,168.49x = 13,756.84 × 4,235.49
  4. Step 4: Simplify right side
    9,168.49x = 58,266,947.66
  5. Step 5: Solve for x
    x = 58,266,947.66/9,168.49
  6. Step 6: Final answer
    x = 6,355.13

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1.5x scale

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.