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Finding the Fourth Proportional to 5,840.98, 8,740.51 and 5,449.95

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Solution

The fourth proportional to 5,840.98, 8,740.51 and 5,449.95 is: 8,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.98 : 8,740.51 = 5,449.95 : x
  2. Step 2: Convert to fraction form
    5,840.98/8,740.51 = 5,449.95/x
  3. Step 3: Cross multiply
    5,840.98x = 8,740.51 × 5,449.95
  4. Step 4: Simplify right side
    5,840.98x = 47,635,328.85
  5. Step 5: Solve for x
    x = 47,635,328.85/5,840.98
  6. Step 6: Final answer
    x = 8,155.37

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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.