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Finding the Fourth Proportional to 9,053.63, 13,580.49 and 2,813.51

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Solution

The fourth proportional to 9,053.63, 13,580.49 and 2,813.51 is: 4,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.63 : 13,580.49 = 2,813.51 : x
  2. Step 2: Convert to fraction form
    9,053.63/13,580.49 = 2,813.51/x
  3. Step 3: Cross multiply
    9,053.63x = 13,580.49 × 2,813.51
  4. Step 4: Simplify right side
    9,053.63x = 38,208,844.42
  5. Step 5: Solve for x
    x = 38,208,844.42/9,053.63
  6. Step 6: Final answer
    x = 4,220.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.