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Finding the Fourth Proportional to 5,990.49, 8,264.08 and 3,865.47

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Solution

The fourth proportional to 5,990.49, 8,264.08 and 3,865.47 is: 5,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.49 : 8,264.08 = 3,865.47 : x
  2. Step 2: Convert to fraction form
    5,990.49/8,264.08 = 3,865.47/x
  3. Step 3: Cross multiply
    5,990.49x = 8,264.08 × 3,865.47
  4. Step 4: Simplify right side
    5,990.49x = 31,944,533.99
  5. Step 5: Solve for x
    x = 31,944,533.99/5,990.49
  6. Step 6: Final answer
    x = 5,332.54

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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.