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Finding the Fourth Proportional to 7,560.56, 10,403.04 and 7,367.36

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Solution

The fourth proportional to 7,560.56, 10,403.04 and 7,367.36 is: 10,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560.56 : 10,403.04 = 7,367.36 : x
  2. Step 2: Convert to fraction form
    7,560.56/10,403.04 = 7,367.36/x
  3. Step 3: Cross multiply
    7,560.56x = 10,403.04 × 7,367.36
  4. Step 4: Simplify right side
    7,560.56x = 76,642,940.77
  5. Step 5: Solve for x
    x = 76,642,940.77/7,560.56
  6. Step 6: Final answer
    x = 10,137.20

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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.