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Finding the Fourth Proportional to 7,668.60, 11,503.16 and 2,046.21

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Solution

The fourth proportional to 7,668.60, 11,503.16 and 2,046.21 is: 3,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.60 : 11,503.16 = 2,046.21 : x
  2. Step 2: Convert to fraction form
    7,668.60/11,503.16 = 2,046.21/x
  3. Step 3: Cross multiply
    7,668.60x = 11,503.16 × 2,046.21
  4. Step 4: Simplify right side
    7,668.60x = 23,537,894.28
  5. Step 5: Solve for x
    x = 23,537,894.28/7,668.60
  6. Step 6: Final answer
    x = 3,069.39

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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.