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Finding the Fourth Proportional to 23,443.72, 35,154.24 and 8,659.60

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Solution

The fourth proportional to 23,443.72, 35,154.24 and 8,659.60 is: 12,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,443.72 : 35,154.24 = 8,659.60 : x
  2. Step 2: Convert to fraction form
    23,443.72/35,154.24 = 8,659.60/x
  3. Step 3: Cross multiply
    23,443.72x = 35,154.24 × 8,659.60
  4. Step 4: Simplify right side
    23,443.72x = 304,421,656.70
  5. Step 5: Solve for x
    x = 304,421,656.70/23,443.72
  6. Step 6: Final answer
    x = 12,985.21

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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.