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Finding the Fourth Proportional to 29,636.52, 40,899.42 and 16,208.64

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Solution

The fourth proportional to 29,636.52, 40,899.42 and 16,208.64 is: 22,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,636.52 : 40,899.42 = 16,208.64 : x
  2. Step 2: Convert to fraction form
    29,636.52/40,899.42 = 16,208.64/x
  3. Step 3: Cross multiply
    29,636.52x = 40,899.42 × 16,208.64
  4. Step 4: Simplify right side
    29,636.52x = 662,923,974.99
  5. Step 5: Solve for x
    x = 662,923,974.99/29,636.52
  6. Step 6: Final answer
    x = 22,368.48

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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.