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Finding the Fourth Proportional to 8,840.58, 12,199.96 and 5,064.96

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Solution

The fourth proportional to 8,840.58, 12,199.96 and 5,064.96 is: 6,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.58 : 12,199.96 = 5,064.96 : x
  2. Step 2: Convert to fraction form
    8,840.58/12,199.96 = 5,064.96/x
  3. Step 3: Cross multiply
    8,840.58x = 12,199.96 × 5,064.96
  4. Step 4: Simplify right side
    8,840.58x = 61,792,361.48
  5. Step 5: Solve for x
    x = 61,792,361.48/8,840.58
  6. Step 6: Final answer
    x = 6,989.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.