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Finding the Fourth Proportional to 40,480.66, 60,606.51 and 21,461.97

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Solution

The fourth proportional to 40,480.66, 60,606.51 and 21,461.97 is: 32,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480.66 : 60,606.51 = 21,461.97 : x
  2. Step 2: Convert to fraction form
    40,480.66/60,606.51 = 21,461.97/x
  3. Step 3: Cross multiply
    40,480.66x = 60,606.51 × 21,461.97
  4. Step 4: Simplify right side
    40,480.66x = 1,300,735,099.42
  5. Step 5: Solve for x
    x = 1,300,735,099.42/40,480.66
  6. Step 6: Final answer
    x = 32,132.26

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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.