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Finding the Fourth Proportional to 7,048.45, 9,726.81 and 4,064.26

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Solution

The fourth proportional to 7,048.45, 9,726.81 and 4,064.26 is: 5,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.45 : 9,726.81 = 4,064.26 : x
  2. Step 2: Convert to fraction form
    7,048.45/9,726.81 = 4,064.26/x
  3. Step 3: Cross multiply
    7,048.45x = 9,726.81 × 4,064.26
  4. Step 4: Simplify right side
    7,048.45x = 39,532,284.81
  5. Step 5: Solve for x
    x = 39,532,284.81/7,048.45
  6. Step 6: Final answer
    x = 5,608.65

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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.