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Finding the Fourth Proportional to 29,381.34, 40,546.12 and 15,952.49

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Solution

The fourth proportional to 29,381.34, 40,546.12 and 15,952.49 is: 22,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.34 : 40,546.12 = 15,952.49 : x
  2. Step 2: Convert to fraction form
    29,381.34/40,546.12 = 15,952.49/x
  3. Step 3: Cross multiply
    29,381.34x = 40,546.12 × 15,952.49
  4. Step 4: Simplify right side
    29,381.34x = 646,811,291.35
  5. Step 5: Solve for x
    x = 646,811,291.35/29,381.34
  6. Step 6: Final answer
    x = 22,014.36

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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.