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Finding the Fourth Proportional to 19,973.64, 27,538.02 and 16,375.56

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Solution

The fourth proportional to 19,973.64, 27,538.02 and 16,375.56 is: 22,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.64 : 27,538.02 = 16,375.56 : x
  2. Step 2: Convert to fraction form
    19,973.64/27,538.02 = 16,375.56/x
  3. Step 3: Cross multiply
    19,973.64x = 27,538.02 × 16,375.56
  4. Step 4: Simplify right side
    19,973.64x = 450,950,498.79
  5. Step 5: Solve for x
    x = 450,950,498.79/19,973.64
  6. Step 6: Final answer
    x = 22,577.28

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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.