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Finding the Fourth Proportional to 6,316.06, 8,715.15 and 3,662.95

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Solution

The fourth proportional to 6,316.06, 8,715.15 and 3,662.95 is: 5,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.06 : 8,715.15 = 3,662.95 : x
  2. Step 2: Convert to fraction form
    6,316.06/8,715.15 = 3,662.95/x
  3. Step 3: Cross multiply
    6,316.06x = 8,715.15 × 3,662.95
  4. Step 4: Simplify right side
    6,316.06x = 31,923,158.69
  5. Step 5: Solve for x
    x = 31,923,158.69/6,316.06
  6. Step 6: Final answer
    x = 5,054.28

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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.