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Finding the Fourth Proportional to 6,961.61, 9,601.84 and 4,539.51

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Solution

The fourth proportional to 6,961.61, 9,601.84 and 4,539.51 is: 6,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.61 : 9,601.84 = 4,539.51 : x
  2. Step 2: Convert to fraction form
    6,961.61/9,601.84 = 4,539.51/x
  3. Step 3: Cross multiply
    6,961.61x = 9,601.84 × 4,539.51
  4. Step 4: Simplify right side
    6,961.61x = 43,587,613.87
  5. Step 5: Solve for x
    x = 43,587,613.87/6,961.61
  6. Step 6: Final answer
    x = 6,261.14

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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.