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Finding the Fourth Proportional to 13,594.13, 20,399.39 and 4,828.36

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Solution

The fourth proportional to 13,594.13, 20,399.39 and 4,828.36 is: 7,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.13 : 20,399.39 = 4,828.36 : x
  2. Step 2: Convert to fraction form
    13,594.13/20,399.39 = 4,828.36/x
  3. Step 3: Cross multiply
    13,594.13x = 20,399.39 × 4,828.36
  4. Step 4: Simplify right side
    13,594.13x = 98,495,607.07
  5. Step 5: Solve for x
    x = 98,495,607.07/13,594.13
  6. Step 6: Final answer
    x = 7,245.45

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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.