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Finding the Fourth Proportional to 6,281.13, 8,668.20 and 3,448.74

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Solution

The fourth proportional to 6,281.13, 8,668.20 and 3,448.74 is: 4,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.13 : 8,668.20 = 3,448.74 : x
  2. Step 2: Convert to fraction form
    6,281.13/8,668.20 = 3,448.74/x
  3. Step 3: Cross multiply
    6,281.13x = 8,668.20 × 3,448.74
  4. Step 4: Simplify right side
    6,281.13x = 29,894,368.07
  5. Step 5: Solve for x
    x = 29,894,368.07/6,281.13
  6. Step 6: Final answer
    x = 4,759.39

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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.