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Finding the Fourth Proportional to 8,740.53, 12,054 and 5,755.26

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Solution

The fourth proportional to 8,740.53, 12,054 and 5,755.26 is: 7,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.53 : 12,054 = 5,755.26 : x
  2. Step 2: Convert to fraction form
    8,740.53/12,054 = 5,755.26/x
  3. Step 3: Cross multiply
    8,740.53x = 12,054 × 5,755.26
  4. Step 4: Simplify right side
    8,740.53x = 69,373,904.04
  5. Step 5: Solve for x
    x = 69,373,904.04/8,740.53
  6. Step 6: Final answer
    x = 7,937.04

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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.