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Finding the Fourth Proportional to 4,657.73, 6,428.22 and 2,668.92

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Solution

The fourth proportional to 4,657.73, 6,428.22 and 2,668.92 is: 3,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.73 : 6,428.22 = 2,668.92 : x
  2. Step 2: Convert to fraction form
    4,657.73/6,428.22 = 2,668.92/x
  3. Step 3: Cross multiply
    4,657.73x = 6,428.22 × 2,668.92
  4. Step 4: Simplify right side
    4,657.73x = 17,156,404.92
  5. Step 5: Solve for x
    x = 17,156,404.92/4,657.73
  6. Step 6: Final answer
    x = 3,683.43

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Half scale
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Double scale
Find fourth proportional to 4,658.73, 6,429.60 and 2,669.92
Similar ratio
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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.