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Finding the Fourth Proportional to 9,530.30, 14,264.42 and 8,620.85

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Solution

The fourth proportional to 9,530.30, 14,264.42 and 8,620.85 is: 12,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.30 : 14,264.42 = 8,620.85 : x
  2. Step 2: Convert to fraction form
    9,530.30/14,264.42 = 8,620.85/x
  3. Step 3: Cross multiply
    9,530.30x = 14,264.42 × 8,620.85
  4. Step 4: Simplify right side
    9,530.30x = 122,971,310.73
  5. Step 5: Solve for x
    x = 122,971,310.73/9,530.30
  6. Step 6: Final answer
    x = 12,903.20

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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.