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Finding the Fourth Proportional to 4,477.21, 6,710.99 and 2,834.21

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Solution

The fourth proportional to 4,477.21, 6,710.99 and 2,834.21 is: 4,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.21 : 6,710.99 = 2,834.21 : x
  2. Step 2: Convert to fraction form
    4,477.21/6,710.99 = 2,834.21/x
  3. Step 3: Cross multiply
    4,477.21x = 6,710.99 × 2,834.21
  4. Step 4: Simplify right side
    4,477.21x = 19,020,357.57
  5. Step 5: Solve for x
    x = 19,020,357.57/4,477.21
  6. Step 6: Final answer
    x = 4,248.26

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1.5x scale

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.