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Finding the Fourth Proportional to 16,409.04, 22,644.36 and 8,957.04

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Solution

The fourth proportional to 16,409.04, 22,644.36 and 8,957.04 is: 12,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.04 : 22,644.36 = 8,957.04 : x
  2. Step 2: Convert to fraction form
    16,409.04/22,644.36 = 8,957.04/x
  3. Step 3: Cross multiply
    16,409.04x = 22,644.36 × 8,957.04
  4. Step 4: Simplify right side
    16,409.04x = 202,826,438.29
  5. Step 5: Solve for x
    x = 202,826,438.29/16,409.04
  6. Step 6: Final answer
    x = 12,360.65

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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.