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Finding the Fourth Proportional to 4,763.61, 6,577.61 and 2,997.81

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Solution

The fourth proportional to 4,763.61, 6,577.61 and 2,997.81 is: 4,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.61 : 6,577.61 = 2,997.81 : x
  2. Step 2: Convert to fraction form
    4,763.61/6,577.61 = 2,997.81/x
  3. Step 3: Cross multiply
    4,763.61x = 6,577.61 × 2,997.81
  4. Step 4: Simplify right side
    4,763.61x = 19,718,410.05
  5. Step 5: Solve for x
    x = 19,718,410.05/4,763.61
  6. Step 6: Final answer
    x = 4,139.38

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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.