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Finding the Fourth Proportional to 40,608.51, 60,913.56 and 13,954.22

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Solution

The fourth proportional to 40,608.51, 60,913.56 and 13,954.22 is: 20,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.51 : 60,913.56 = 13,954.22 : x
  2. Step 2: Convert to fraction form
    40,608.51/60,913.56 = 13,954.22/x
  3. Step 3: Cross multiply
    40,608.51x = 60,913.56 × 13,954.22
  4. Step 4: Simplify right side
    40,608.51x = 850,000,912.66
  5. Step 5: Solve for x
    x = 850,000,912.66/40,608.51
  6. Step 6: Final answer
    x = 20,931.60

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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.