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Finding the Fourth Proportional to 9,070.50, 13,599.12 and 3,519.12

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Solution

The fourth proportional to 9,070.50, 13,599.12 and 3,519.12 is: 5,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.50 : 13,599.12 = 3,519.12 : x
  2. Step 2: Convert to fraction form
    9,070.50/13,599.12 = 3,519.12/x
  3. Step 3: Cross multiply
    9,070.50x = 13,599.12 × 3,519.12
  4. Step 4: Simplify right side
    9,070.50x = 47,856,935.17
  5. Step 5: Solve for x
    x = 47,856,935.17/9,070.50
  6. Step 6: Final answer
    x = 5,276.11

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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.