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Finding the Fourth Proportional to 15,652.92, 23,485.86 and 8,625.72

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Solution

The fourth proportional to 15,652.92, 23,485.86 and 8,625.72 is: 12,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.92 : 23,485.86 = 8,625.72 : x
  2. Step 2: Convert to fraction form
    15,652.92/23,485.86 = 8,625.72/x
  3. Step 3: Cross multiply
    15,652.92x = 23,485.86 × 8,625.72
  4. Step 4: Simplify right side
    15,652.92x = 202,582,452.32
  5. Step 5: Solve for x
    x = 202,582,452.32/15,652.92
  6. Step 6: Final answer
    x = 12,942.15

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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.