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Finding the Fourth Proportional to 29,434.50, 40,619.61 and 16,186.50

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Solution

The fourth proportional to 29,434.50, 40,619.61 and 16,186.50 is: 22,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.50 : 40,619.61 = 16,186.50 : x
  2. Step 2: Convert to fraction form
    29,434.50/40,619.61 = 16,186.50/x
  3. Step 3: Cross multiply
    29,434.50x = 40,619.61 × 16,186.50
  4. Step 4: Simplify right side
    29,434.50x = 657,489,317.27
  5. Step 5: Solve for x
    x = 657,489,317.27/29,434.50
  6. Step 6: Final answer
    x = 22,337.37

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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.