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Finding the Fourth Proportional to 9,605.25, 14,395.32 and 4,921.29

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Solution

The fourth proportional to 9,605.25, 14,395.32 and 4,921.29 is: 7,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.25 : 14,395.32 = 4,921.29 : x
  2. Step 2: Convert to fraction form
    9,605.25/14,395.32 = 4,921.29/x
  3. Step 3: Cross multiply
    9,605.25x = 14,395.32 × 4,921.29
  4. Step 4: Simplify right side
    9,605.25x = 70,843,544.36
  5. Step 5: Solve for x
    x = 70,843,544.36/9,605.25
  6. Step 6: Final answer
    x = 7,375.50

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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.