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Finding the Fourth Proportional to 29,447.16, 40,623.84 and 17,503.98

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Solution

The fourth proportional to 29,447.16, 40,623.84 and 17,503.98 is: 24,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.16 : 40,623.84 = 17,503.98 : x
  2. Step 2: Convert to fraction form
    29,447.16/40,623.84 = 17,503.98/x
  3. Step 3: Cross multiply
    29,447.16x = 40,623.84 × 17,503.98
  4. Step 4: Simplify right side
    29,447.16x = 711,078,882.88
  5. Step 5: Solve for x
    x = 711,078,882.88/29,447.16
  6. Step 6: Final answer
    x = 24,147.62

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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.