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Finding the Fourth Proportional to 4,549, 6,823.50 and 1,471

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Solution

The fourth proportional to 4,549, 6,823.50 and 1,471 is: 2,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549 : 6,823.50 = 1,471 : x
  2. Step 2: Convert to fraction form
    4,549/6,823.50 = 1,471/x
  3. Step 3: Cross multiply
    4,549x = 6,823.50 × 1,471
  4. Step 4: Simplify right side
    4,549x = 10,037,368.50
  5. Step 5: Solve for x
    x = 10,037,368.50/4,549
  6. Step 6: Final answer
    x = 2,206.50

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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.