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Finding the Fourth Proportional to 5,659.86, 8,490.18 and 2,369.64

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Solution

The fourth proportional to 5,659.86, 8,490.18 and 2,369.64 is: 3,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.86 : 8,490.18 = 2,369.64 : x
  2. Step 2: Convert to fraction form
    5,659.86/8,490.18 = 2,369.64/x
  3. Step 3: Cross multiply
    5,659.86x = 8,490.18 × 2,369.64
  4. Step 4: Simplify right side
    5,659.86x = 20,118,670.14
  5. Step 5: Solve for x
    x = 20,118,670.14/5,659.86
  6. Step 6: Final answer
    x = 3,554.62

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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.