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Finding the Fourth Proportional to 4,638.72, 6,958.08 and 1,560

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Solution

The fourth proportional to 4,638.72, 6,958.08 and 1,560 is: 2,340

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.72 : 6,958.08 = 1,560 : x
  2. Step 2: Convert to fraction form
    4,638.72/6,958.08 = 1,560/x
  3. Step 3: Cross multiply
    4,638.72x = 6,958.08 × 1,560
  4. Step 4: Simplify right side
    4,638.72x = 10,854,604.80
  5. Step 5: Solve for x
    x = 10,854,604.80/4,638.72
  6. Step 6: Final answer
    x = 2,340

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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.