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Finding the Fourth Proportional to 16,385.58, 22,612.05 and 8,933.58

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Solution

The fourth proportional to 16,385.58, 22,612.05 and 8,933.58 is: 12,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.58 : 22,612.05 = 8,933.58 : x
  2. Step 2: Convert to fraction form
    16,385.58/22,612.05 = 8,933.58/x
  3. Step 3: Cross multiply
    16,385.58x = 22,612.05 × 8,933.58
  4. Step 4: Simplify right side
    16,385.58x = 202,006,557.64
  5. Step 5: Solve for x
    x = 202,006,557.64/16,385.58
  6. Step 6: Final answer
    x = 12,328.31

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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.