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Finding the Fourth Proportional to 29,707.21, 40,992.05 and 17,766.19

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Solution

The fourth proportional to 29,707.21, 40,992.05 and 17,766.19 is: 24,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.21 : 40,992.05 = 17,766.19 : x
  2. Step 2: Convert to fraction form
    29,707.21/40,992.05 = 17,766.19/x
  3. Step 3: Cross multiply
    29,707.21x = 40,992.05 × 17,766.19
  4. Step 4: Simplify right side
    29,707.21x = 728,272,255.00
  5. Step 5: Solve for x
    x = 728,272,255.00/29,707.21
  6. Step 6: Final answer
    x = 24,515.00

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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.