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Finding the Fourth Proportional to 7,602.28, 11,387.98 and 6,366.20

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Solution

The fourth proportional to 7,602.28, 11,387.98 and 6,366.20 is: 9,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.28 : 11,387.98 = 6,366.20 : x
  2. Step 2: Convert to fraction form
    7,602.28/11,387.98 = 6,366.20/x
  3. Step 3: Cross multiply
    7,602.28x = 11,387.98 × 6,366.20
  4. Step 4: Simplify right side
    7,602.28x = 72,498,158.28
  5. Step 5: Solve for x
    x = 72,498,158.28/7,602.28
  6. Step 6: Final answer
    x = 9,536.37

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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.