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Finding the Fourth Proportional to 29,673.64, 40,950.28 and 16,245.48

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Solution

The fourth proportional to 29,673.64, 40,950.28 and 16,245.48 is: 22,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.64 : 40,950.28 = 16,245.48 : x
  2. Step 2: Convert to fraction form
    29,673.64/40,950.28 = 16,245.48/x
  3. Step 3: Cross multiply
    29,673.64x = 40,950.28 × 16,245.48
  4. Step 4: Simplify right side
    29,673.64x = 665,256,954.73
  5. Step 5: Solve for x
    x = 665,256,954.73/29,673.64
  6. Step 6: Final answer
    x = 22,419.12

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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.