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Finding the Fourth Proportional to 9,063.64, 13,599.24 and 3,520.84

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Solution

The fourth proportional to 9,063.64, 13,599.24 and 3,520.84 is: 5,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.64 : 13,599.24 = 3,520.84 : x
  2. Step 2: Convert to fraction form
    9,063.64/13,599.24 = 3,520.84/x
  3. Step 3: Cross multiply
    9,063.64x = 13,599.24 × 3,520.84
  4. Step 4: Simplify right side
    9,063.64x = 47,880,748.16
  5. Step 5: Solve for x
    x = 47,880,748.16/9,063.64
  6. Step 6: Final answer
    x = 5,282.73

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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.