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Finding the Fourth Proportional to 23,679.30, 35,509.67 and 8,880.15

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Solution

The fourth proportional to 23,679.30, 35,509.67 and 8,880.15 is: 13,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.30 : 35,509.67 = 8,880.15 : x
  2. Step 2: Convert to fraction form
    23,679.30/35,509.67 = 8,880.15/x
  3. Step 3: Cross multiply
    23,679.30x = 35,509.67 × 8,880.15
  4. Step 4: Simplify right side
    23,679.30x = 315,331,196.05
  5. Step 5: Solve for x
    x = 315,331,196.05/23,679.30
  6. Step 6: Final answer
    x = 13,316.74

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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.