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Finding the Fourth Proportional to 5,766.71, 8,648.91 and 2,645.99

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Solution

The fourth proportional to 5,766.71, 8,648.91 and 2,645.99 is: 3,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.71 : 8,648.91 = 2,645.99 : x
  2. Step 2: Convert to fraction form
    5,766.71/8,648.91 = 2,645.99/x
  3. Step 3: Cross multiply
    5,766.71x = 8,648.91 × 2,645.99
  4. Step 4: Simplify right side
    5,766.71x = 22,884,886.13
  5. Step 5: Solve for x
    x = 22,884,886.13/5,766.71
  6. Step 6: Final answer
    x = 3,968.45

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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.