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Finding the Fourth Proportional to 6,376, 9,567.78 and 2,913.52

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Solution

The fourth proportional to 6,376, 9,567.78 and 2,913.52 is: 4,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376 : 9,567.78 = 2,913.52 : x
  2. Step 2: Convert to fraction form
    6,376/9,567.78 = 2,913.52/x
  3. Step 3: Cross multiply
    6,376x = 9,567.78 × 2,913.52
  4. Step 4: Simplify right side
    6,376x = 27,875,918.39
  5. Step 5: Solve for x
    x = 27,875,918.39/6,376
  6. Step 6: Final answer
    x = 4,372.01

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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.