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Finding the Fourth Proportional to 5,701.47, 8,554.91 and 3,949.17

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Solution

The fourth proportional to 5,701.47, 8,554.91 and 3,949.17 is: 5,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701.47 : 8,554.91 = 3,949.17 : x
  2. Step 2: Convert to fraction form
    5,701.47/8,554.91 = 3,949.17/x
  3. Step 3: Cross multiply
    5,701.47x = 8,554.91 × 3,949.17
  4. Step 4: Simplify right side
    5,701.47x = 33,784,774.18
  5. Step 5: Solve for x
    x = 33,784,774.18/5,701.47
  6. Step 6: Final answer
    x = 5,925.63

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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.