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Finding the Fourth Proportional to 6,703, 9,250.14 and 3,718.78

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Solution

The fourth proportional to 6,703, 9,250.14 and 3,718.78 is: 5,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703 : 9,250.14 = 3,718.78 : x
  2. Step 2: Convert to fraction form
    6,703/9,250.14 = 3,718.78/x
  3. Step 3: Cross multiply
    6,703x = 9,250.14 × 3,718.78
  4. Step 4: Simplify right side
    6,703x = 34,399,235.63
  5. Step 5: Solve for x
    x = 34,399,235.63/6,703
  6. Step 6: Final answer
    x = 5,131.92

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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.