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Finding the Fourth Proportional to 3,659.86, 5,051.37 and 3,364.66

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Solution

The fourth proportional to 3,659.86, 5,051.37 and 3,364.66 is: 4,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.86 : 5,051.37 = 3,364.66 : x
  2. Step 2: Convert to fraction form
    3,659.86/5,051.37 = 3,364.66/x
  3. Step 3: Cross multiply
    3,659.86x = 5,051.37 × 3,364.66
  4. Step 4: Simplify right side
    3,659.86x = 16,996,142.58
  5. Step 5: Solve for x
    x = 16,996,142.58/3,659.86
  6. Step 6: Final answer
    x = 4,643.93

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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.