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Finding the Fourth Proportional to 5,623.77, 8,440.77 and 2,993.49

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Solution

The fourth proportional to 5,623.77, 8,440.77 and 2,993.49 is: 4,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.77 : 8,440.77 = 2,993.49 : x
  2. Step 2: Convert to fraction form
    5,623.77/8,440.77 = 2,993.49/x
  3. Step 3: Cross multiply
    5,623.77x = 8,440.77 × 2,993.49
  4. Step 4: Simplify right side
    5,623.77x = 25,267,339.82
  5. Step 5: Solve for x
    x = 25,267,339.82/5,623.77
  6. Step 6: Final answer
    x = 4,492.95

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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.