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Finding the Fourth Proportional to 8,703.54, 13,051.26 and 3,505.50

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Solution

The fourth proportional to 8,703.54, 13,051.26 and 3,505.50 is: 5,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.54 : 13,051.26 = 3,505.50 : x
  2. Step 2: Convert to fraction form
    8,703.54/13,051.26 = 3,505.50/x
  3. Step 3: Cross multiply
    8,703.54x = 13,051.26 × 3,505.50
  4. Step 4: Simplify right side
    8,703.54x = 45,751,191.93
  5. Step 5: Solve for x
    x = 45,751,191.93/8,703.54
  6. Step 6: Final answer
    x = 5,256.62

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Why These Related Problems?

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