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Finding the Fourth Proportional to 6,264.80, 8,625.74 and 5,318.63

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Solution

The fourth proportional to 6,264.80, 8,625.74 and 5,318.63 is: 7,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.80 : 8,625.74 = 5,318.63 : x
  2. Step 2: Convert to fraction form
    6,264.80/8,625.74 = 5,318.63/x
  3. Step 3: Cross multiply
    6,264.80x = 8,625.74 × 5,318.63
  4. Step 4: Simplify right side
    6,264.80x = 45,877,049.81
  5. Step 5: Solve for x
    x = 45,877,049.81/6,264.80
  6. Step 6: Final answer
    x = 7,322.99

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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.