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Finding the Fourth Proportional to 5,467.45, 7,545.06 and 2,983.45

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Solution

The fourth proportional to 5,467.45, 7,545.06 and 2,983.45 is: 4,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.45 : 7,545.06 = 2,983.45 : x
  2. Step 2: Convert to fraction form
    5,467.45/7,545.06 = 2,983.45/x
  3. Step 3: Cross multiply
    5,467.45x = 7,545.06 × 2,983.45
  4. Step 4: Simplify right side
    5,467.45x = 22,510,309.26
  5. Step 5: Solve for x
    x = 22,510,309.26/5,467.45
  6. Step 6: Final answer
    x = 4,117.15

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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.