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Finding the Fourth Proportional to 7,607.55, 11,395.41 and 6,118.73

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Solution

The fourth proportional to 7,607.55, 11,395.41 and 6,118.73 is: 9,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.55 : 11,395.41 = 6,118.73 : x
  2. Step 2: Convert to fraction form
    7,607.55/11,395.41 = 6,118.73/x
  3. Step 3: Cross multiply
    7,607.55x = 11,395.41 × 6,118.73
  4. Step 4: Simplify right side
    7,607.55x = 69,725,437.03
  5. Step 5: Solve for x
    x = 69,725,437.03/7,607.55
  6. Step 6: Final answer
    x = 9,165.29

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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.