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Finding the Fourth Proportional to 13,374.76, 20,062.60 and 6,351.16

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Solution

The fourth proportional to 13,374.76, 20,062.60 and 6,351.16 is: 9,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.76 : 20,062.60 = 6,351.16 : x
  2. Step 2: Convert to fraction form
    13,374.76/20,062.60 = 6,351.16/x
  3. Step 3: Cross multiply
    13,374.76x = 20,062.60 × 6,351.16
  4. Step 4: Simplify right side
    13,374.76x = 127,420,782.62
  5. Step 5: Solve for x
    x = 127,420,782.62/13,374.76
  6. Step 6: Final answer
    x = 9,526.96

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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.