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Finding the Fourth Proportional to 7,045.30, 9,722.51 and 3,901.49

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Solution

The fourth proportional to 7,045.30, 9,722.51 and 3,901.49 is: 5,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.30 : 9,722.51 = 3,901.49 : x
  2. Step 2: Convert to fraction form
    7,045.30/9,722.51 = 3,901.49/x
  3. Step 3: Cross multiply
    7,045.30x = 9,722.51 × 3,901.49
  4. Step 4: Simplify right side
    7,045.30x = 37,932,226.93
  5. Step 5: Solve for x
    x = 37,932,226.93/7,045.30
  6. Step 6: Final answer
    x = 5,384.05

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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.