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Finding the Fourth Proportional to 7,044.68, 9,720.06 and 4,211.58

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Solution

The fourth proportional to 7,044.68, 9,720.06 and 4,211.58 is: 5,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.68 : 9,720.06 = 4,211.58 : x
  2. Step 2: Convert to fraction form
    7,044.68/9,720.06 = 4,211.58/x
  3. Step 3: Cross multiply
    7,044.68x = 9,720.06 × 4,211.58
  4. Step 4: Simplify right side
    7,044.68x = 40,936,810.29
  5. Step 5: Solve for x
    x = 40,936,810.29/7,044.68
  6. Step 6: Final answer
    x = 5,811.03

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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.