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Finding the Fourth Proportional to 3,656.43, 5,484.65 and 3,364.83

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Solution

The fourth proportional to 3,656.43, 5,484.65 and 3,364.83 is: 5,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.43 : 5,484.65 = 3,364.83 : x
  2. Step 2: Convert to fraction form
    3,656.43/5,484.65 = 3,364.83/x
  3. Step 3: Cross multiply
    3,656.43x = 5,484.65 × 3,364.83
  4. Step 4: Simplify right side
    3,656.43x = 18,454,898.04
  5. Step 5: Solve for x
    x = 18,454,898.04/3,656.43
  6. Step 6: Final answer
    x = 5,047.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.