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Finding the Fourth Proportional to 6,264.30, 8,625.05 and 5,318.13

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Solution

The fourth proportional to 6,264.30, 8,625.05 and 5,318.13 is: 7,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.30 : 8,625.05 = 5,318.13 : x
  2. Step 2: Convert to fraction form
    6,264.30/8,625.05 = 5,318.13/x
  3. Step 3: Cross multiply
    6,264.30x = 8,625.05 × 5,318.13
  4. Step 4: Simplify right side
    6,264.30x = 45,869,137.16
  5. Step 5: Solve for x
    x = 45,869,137.16/6,264.30
  6. Step 6: Final answer
    x = 7,322.31

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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.