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Finding the Fourth Proportional to 6,533.87, 9,018.21 and 4,018.17

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Solution

The fourth proportional to 6,533.87, 9,018.21 and 4,018.17 is: 5,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,533.87 : 9,018.21 = 4,018.17 : x
  2. Step 2: Convert to fraction form
    6,533.87/9,018.21 = 4,018.17/x
  3. Step 3: Cross multiply
    6,533.87x = 9,018.21 × 4,018.17
  4. Step 4: Simplify right side
    6,533.87x = 36,236,700.88
  5. Step 5: Solve for x
    x = 36,236,700.88/6,533.87
  6. Step 6: Final answer
    x = 5,545.98

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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.