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Finding the Fourth Proportional to 5,417.75, 8,084.71 and 4,834.55

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Solution

The fourth proportional to 5,417.75, 8,084.71 and 4,834.55 is: 7,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.75 : 8,084.71 = 4,834.55 : x
  2. Step 2: Convert to fraction form
    5,417.75/8,084.71 = 4,834.55/x
  3. Step 3: Cross multiply
    5,417.75x = 8,084.71 × 4,834.55
  4. Step 4: Simplify right side
    5,417.75x = 39,085,934.73
  5. Step 5: Solve for x
    x = 39,085,934.73/5,417.75
  6. Step 6: Final answer
    x = 7,214.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.