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Finding the Fourth Proportional to 16,505.44, 22,580.84 and 16,434.88

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Solution

The fourth proportional to 16,505.44, 22,580.84 and 16,434.88 is: 22,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.44 : 22,580.84 = 16,434.88 : x
  2. Step 2: Convert to fraction form
    16,505.44/22,580.84 = 16,434.88/x
  3. Step 3: Cross multiply
    16,505.44x = 22,580.84 × 16,434.88
  4. Step 4: Simplify right side
    16,505.44x = 371,113,395.70
  5. Step 5: Solve for x
    x = 371,113,395.70/16,505.44
  6. Step 6: Final answer
    x = 22,484.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.