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Finding the Fourth Proportional to 9,008.76, 13,512.18 and 2,435.64

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Solution

The fourth proportional to 9,008.76, 13,512.18 and 2,435.64 is: 3,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.76 : 13,512.18 = 2,435.64 : x
  2. Step 2: Convert to fraction form
    9,008.76/13,512.18 = 2,435.64/x
  3. Step 3: Cross multiply
    9,008.76x = 13,512.18 × 2,435.64
  4. Step 4: Simplify right side
    9,008.76x = 32,910,806.10
  5. Step 5: Solve for x
    x = 32,910,806.10/9,008.76
  6. Step 6: Final answer
    x = 3,653.20

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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.