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Finding the Fourth Proportional to 13,474.76, 20,212.22 and 4,703.54

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Solution

The fourth proportional to 13,474.76, 20,212.22 and 4,703.54 is: 7,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.76 : 20,212.22 = 4,703.54 : x
  2. Step 2: Convert to fraction form
    13,474.76/20,212.22 = 4,703.54/x
  3. Step 3: Cross multiply
    13,474.76x = 20,212.22 × 4,703.54
  4. Step 4: Simplify right side
    13,474.76x = 95,068,985.26
  5. Step 5: Solve for x
    x = 95,068,985.26/13,474.76
  6. Step 6: Final answer
    x = 7,055.34

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1.5x scale

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.