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Finding the Fourth Proportional to 22,704.64, 34,056.80 and 8,853.64

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Solution

The fourth proportional to 22,704.64, 34,056.80 and 8,853.64 is: 13,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.64 : 34,056.80 = 8,853.64 : x
  2. Step 2: Convert to fraction form
    22,704.64/34,056.80 = 8,853.64/x
  3. Step 3: Cross multiply
    22,704.64x = 34,056.80 × 8,853.64
  4. Step 4: Simplify right side
    22,704.64x = 301,526,646.75
  5. Step 5: Solve for x
    x = 301,526,646.75/22,704.64
  6. Step 6: Final answer
    x = 13,280.40

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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.