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Finding the Fourth Proportional to 13,170.48, 19,751.60 and 4,403.34

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Solution

The fourth proportional to 13,170.48, 19,751.60 and 4,403.34 is: 6,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.48 : 19,751.60 = 4,403.34 : x
  2. Step 2: Convert to fraction form
    13,170.48/19,751.60 = 4,403.34/x
  3. Step 3: Cross multiply
    13,170.48x = 19,751.60 × 4,403.34
  4. Step 4: Simplify right side
    13,170.48x = 86,973,021.35
  5. Step 5: Solve for x
    x = 86,973,021.35/13,170.48
  6. Step 6: Final answer
    x = 6,603.64

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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.