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Finding the Fourth Proportional to 23,473.86, 35,188.74 and 7,880.55

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Solution

The fourth proportional to 23,473.86, 35,188.74 and 7,880.55 is: 11,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,473.86 : 35,188.74 = 7,880.55 : x
  2. Step 2: Convert to fraction form
    23,473.86/35,188.74 = 7,880.55/x
  3. Step 3: Cross multiply
    23,473.86x = 35,188.74 × 7,880.55
  4. Step 4: Simplify right side
    23,473.86x = 277,306,625.01
  5. Step 5: Solve for x
    x = 277,306,625.01/23,473.86
  6. Step 6: Final answer
    x = 11,813.42

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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.