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Finding the Fourth Proportional to 6,330.66, 8,731.33 and 5,906.25

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Solution

The fourth proportional to 6,330.66, 8,731.33 and 5,906.25 is: 8,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.66 : 8,731.33 = 5,906.25 : x
  2. Step 2: Convert to fraction form
    6,330.66/8,731.33 = 5,906.25/x
  3. Step 3: Cross multiply
    6,330.66x = 8,731.33 × 5,906.25
  4. Step 4: Simplify right side
    6,330.66x = 51,569,417.81
  5. Step 5: Solve for x
    x = 51,569,417.81/6,330.66
  6. Step 6: Final answer
    x = 8,145.98

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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.