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Finding the Fourth Proportional to 16,957.44, 25,451.69 and 8,643.42

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Solution

The fourth proportional to 16,957.44, 25,451.69 and 8,643.42 is: 12,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.44 : 25,451.69 = 8,643.42 : x
  2. Step 2: Convert to fraction form
    16,957.44/25,451.69 = 8,643.42/x
  3. Step 3: Cross multiply
    16,957.44x = 25,451.69 × 8,643.42
  4. Step 4: Simplify right side
    16,957.44x = 219,989,603.16
  5. Step 5: Solve for x
    x = 219,989,603.16/16,957.44
  6. Step 6: Final answer
    x = 12,973.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.