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Finding the Fourth Proportional to 7,285.25, 10,053.65 and 3,973.25

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Solution

The fourth proportional to 7,285.25, 10,053.65 and 3,973.25 is: 5,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.25 : 10,053.65 = 3,973.25 : x
  2. Step 2: Convert to fraction form
    7,285.25/10,053.65 = 3,973.25/x
  3. Step 3: Cross multiply
    7,285.25x = 10,053.65 × 3,973.25
  4. Step 4: Simplify right side
    7,285.25x = 39,945,664.86
  5. Step 5: Solve for x
    x = 39,945,664.86/7,285.25
  6. Step 6: Final answer
    x = 5,483.09

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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.