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Finding the Fourth Proportional to 9,185.58, 13,775.13 and 4,254.30

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Solution

The fourth proportional to 9,185.58, 13,775.13 and 4,254.30 is: 6,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.58 : 13,775.13 = 4,254.30 : x
  2. Step 2: Convert to fraction form
    9,185.58/13,775.13 = 4,254.30/x
  3. Step 3: Cross multiply
    9,185.58x = 13,775.13 × 4,254.30
  4. Step 4: Simplify right side
    9,185.58x = 58,603,535.56
  5. Step 5: Solve for x
    x = 58,603,535.56/9,185.58
  6. Step 6: Final answer
    x = 6,379.95

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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.