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Finding the Fourth Proportional to 21,951.42, 32,903.37 and 8,797.02

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Solution

The fourth proportional to 21,951.42, 32,903.37 and 8,797.02 is: 13,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951.42 : 32,903.37 = 8,797.02 : x
  2. Step 2: Convert to fraction form
    21,951.42/32,903.37 = 8,797.02/x
  3. Step 3: Cross multiply
    21,951.42x = 32,903.37 × 8,797.02
  4. Step 4: Simplify right side
    21,951.42x = 289,451,603.96
  5. Step 5: Solve for x
    x = 289,451,603.96/21,951.42
  6. Step 6: Final answer
    x = 13,186.01

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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.