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Finding the Fourth Proportional to 4,661.64, 6,988.14 and 1,737.72

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Solution

The fourth proportional to 4,661.64, 6,988.14 and 1,737.72 is: 2,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.64 : 6,988.14 = 1,737.72 : x
  2. Step 2: Convert to fraction form
    4,661.64/6,988.14 = 1,737.72/x
  3. Step 3: Cross multiply
    4,661.64x = 6,988.14 × 1,737.72
  4. Step 4: Simplify right side
    4,661.64x = 12,143,430.64
  5. Step 5: Solve for x
    x = 12,143,430.64/4,661.64
  6. Step 6: Final answer
    x = 2,604.97

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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.