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Finding the Fourth Proportional to 5,940.41, 8,910.88 and 1,557.86

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Solution

The fourth proportional to 5,940.41, 8,910.88 and 1,557.86 is: 2,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.41 : 8,910.88 = 1,557.86 : x
  2. Step 2: Convert to fraction form
    5,940.41/8,910.88 = 1,557.86/x
  3. Step 3: Cross multiply
    5,940.41x = 8,910.88 × 1,557.86
  4. Step 4: Simplify right side
    5,940.41x = 13,881,855.07
  5. Step 5: Solve for x
    x = 13,881,855.07/5,940.41
  6. Step 6: Final answer
    x = 2,336.85

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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.