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Finding the Fourth Proportional to 7,043.76, 9,708.58 and 5,622.89

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Solution

The fourth proportional to 7,043.76, 9,708.58 and 5,622.89 is: 7,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.76 : 9,708.58 = 5,622.89 : x
  2. Step 2: Convert to fraction form
    7,043.76/9,708.58 = 5,622.89/x
  3. Step 3: Cross multiply
    7,043.76x = 9,708.58 × 5,622.89
  4. Step 4: Simplify right side
    7,043.76x = 54,590,249.28
  5. Step 5: Solve for x
    x = 54,590,249.28/7,043.76
  6. Step 6: Final answer
    x = 7,750.16

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