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Finding the Fourth Proportional to 29,447.23, 40,623.77 and 17,503.78

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Solution

The fourth proportional to 29,447.23, 40,623.77 and 17,503.78 is: 24,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.23 : 40,623.77 = 17,503.78 : x
  2. Step 2: Convert to fraction form
    29,447.23/40,623.77 = 17,503.78/x
  3. Step 3: Cross multiply
    29,447.23x = 40,623.77 × 17,503.78
  4. Step 4: Simplify right side
    29,447.23x = 711,069,532.85
  5. Step 5: Solve for x
    x = 711,069,532.85/29,447.23
  6. Step 6: Final answer
    x = 24,147.25

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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.