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Finding the Fourth Proportional to 7,395.25, 10,223.67 and 7,085.44

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Solution

The fourth proportional to 7,395.25, 10,223.67 and 7,085.44 is: 9,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.25 : 10,223.67 = 7,085.44 : x
  2. Step 2: Convert to fraction form
    7,395.25/10,223.67 = 7,085.44/x
  3. Step 3: Cross multiply
    7,395.25x = 10,223.67 × 7,085.44
  4. Step 4: Simplify right side
    7,395.25x = 72,439,200.36
  5. Step 5: Solve for x
    x = 72,439,200.36/7,395.25
  6. Step 6: Final answer
    x = 9,795.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.