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Finding the Fourth Proportional to 4,625, 6,937.56 and 1,547

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Solution

The fourth proportional to 4,625, 6,937.56 and 1,547 is: 2,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625 : 6,937.56 = 1,547 : x
  2. Step 2: Convert to fraction form
    4,625/6,937.56 = 1,547/x
  3. Step 3: Cross multiply
    4,625x = 6,937.56 × 1,547
  4. Step 4: Simplify right side
    4,625x = 10,732,405.32
  5. Step 5: Solve for x
    x = 10,732,405.32/4,625
  6. Step 6: Final answer
    x = 2,320.52

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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.