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Finding the Fourth Proportional to 6,263.69, 8,643.99 and 3,431.01

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Solution

The fourth proportional to 6,263.69, 8,643.99 and 3,431.01 is: 4,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.69 : 8,643.99 = 3,431.01 : x
  2. Step 2: Convert to fraction form
    6,263.69/8,643.99 = 3,431.01/x
  3. Step 3: Cross multiply
    6,263.69x = 8,643.99 × 3,431.01
  4. Step 4: Simplify right side
    6,263.69x = 29,657,616.13
  5. Step 5: Solve for x
    x = 29,657,616.13/6,263.69
  6. Step 6: Final answer
    x = 4,734.85

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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.