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Finding the Fourth Proportional to 4,962.70, 6,849.93 and 3,471

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Solution

The fourth proportional to 4,962.70, 6,849.93 and 3,471 is: 4,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.70 : 6,849.93 = 3,471 : x
  2. Step 2: Convert to fraction form
    4,962.70/6,849.93 = 3,471/x
  3. Step 3: Cross multiply
    4,962.70x = 6,849.93 × 3,471
  4. Step 4: Simplify right side
    4,962.70x = 23,776,107.03
  5. Step 5: Solve for x
    x = 23,776,107.03/4,962.70
  6. Step 6: Final answer
    x = 4,790.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.