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Finding the Fourth Proportional to 9,737.64, 14,607.72 and 3,161.64

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Solution

The fourth proportional to 9,737.64, 14,607.72 and 3,161.64 is: 4,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,737.64 : 14,607.72 = 3,161.64 : x
  2. Step 2: Convert to fraction form
    9,737.64/14,607.72 = 3,161.64/x
  3. Step 3: Cross multiply
    9,737.64x = 14,607.72 × 3,161.64
  4. Step 4: Simplify right side
    9,737.64x = 46,184,351.86
  5. Step 5: Solve for x
    x = 46,184,351.86/9,737.64
  6. Step 6: Final answer
    x = 4,742.87

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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.