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Finding the Fourth Proportional to 9,050.44, 12,488.16 and 8,263.12

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Solution

The fourth proportional to 9,050.44, 12,488.16 and 8,263.12 is: 11,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.44 : 12,488.16 = 8,263.12 : x
  2. Step 2: Convert to fraction form
    9,050.44/12,488.16 = 8,263.12/x
  3. Step 3: Cross multiply
    9,050.44x = 12,488.16 × 8,263.12
  4. Step 4: Simplify right side
    9,050.44x = 103,191,164.66
  5. Step 5: Solve for x
    x = 103,191,164.66/9,050.44
  6. Step 6: Final answer
    x = 11,401.78

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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.