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Finding the Fourth Proportional to 6,235.66, 8,606.32 and 3,717.93

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Solution

The fourth proportional to 6,235.66, 8,606.32 and 3,717.93 is: 5,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.66 : 8,606.32 = 3,717.93 : x
  2. Step 2: Convert to fraction form
    6,235.66/8,606.32 = 3,717.93/x
  3. Step 3: Cross multiply
    6,235.66x = 8,606.32 × 3,717.93
  4. Step 4: Simplify right side
    6,235.66x = 31,997,718.30
  5. Step 5: Solve for x
    x = 31,997,718.30/6,235.66
  6. Step 6: Final answer
    x = 5,131.41

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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.