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Finding the Fourth Proportional to 9,855.66, 14,745.15 and 9,028.29

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Solution

The fourth proportional to 9,855.66, 14,745.15 and 9,028.29 is: 13,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.66 : 14,745.15 = 9,028.29 : x
  2. Step 2: Convert to fraction form
    9,855.66/14,745.15 = 9,028.29/x
  3. Step 3: Cross multiply
    9,855.66x = 14,745.15 × 9,028.29
  4. Step 4: Simplify right side
    9,855.66x = 133,123,490.29
  5. Step 5: Solve for x
    x = 133,123,490.29/9,855.66
  6. Step 6: Final answer
    x = 13,507.31

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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.