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Finding the Fourth Proportional to 13,203.66, 19,803.36 and 4,887.59

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Solution

The fourth proportional to 13,203.66, 19,803.36 and 4,887.59 is: 7,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.66 : 19,803.36 = 4,887.59 : x
  2. Step 2: Convert to fraction form
    13,203.66/19,803.36 = 4,887.59/x
  3. Step 3: Cross multiply
    13,203.66x = 19,803.36 × 4,887.59
  4. Step 4: Simplify right side
    13,203.66x = 96,790,721.26
  5. Step 5: Solve for x
    x = 96,790,721.26/13,203.66
  6. Step 6: Final answer
    x = 7,330.60

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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.