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Finding the Fourth Proportional to 7,612.46, 10,493.28 and 7,001.49

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Solution

The fourth proportional to 7,612.46, 10,493.28 and 7,001.49 is: 9,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.46 : 10,493.28 = 7,001.49 : x
  2. Step 2: Convert to fraction form
    7,612.46/10,493.28 = 7,001.49/x
  3. Step 3: Cross multiply
    7,612.46x = 10,493.28 × 7,001.49
  4. Step 4: Simplify right side
    7,612.46x = 73,468,594.99
  5. Step 5: Solve for x
    x = 73,468,594.99/7,612.46
  6. Step 6: Final answer
    x = 9,651.10

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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.