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Finding the Fourth Proportional to 40,441.01, 60,661.51 and 12,361.14

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Solution

The fourth proportional to 40,441.01, 60,661.51 and 12,361.14 is: 18,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,441.01 : 60,661.51 = 12,361.14 : x
  2. Step 2: Convert to fraction form
    40,441.01/60,661.51 = 12,361.14/x
  3. Step 3: Cross multiply
    40,441.01x = 60,661.51 × 12,361.14
  4. Step 4: Simplify right side
    40,441.01x = 749,845,386.82
  5. Step 5: Solve for x
    x = 749,845,386.82/40,441.01
  6. Step 6: Final answer
    x = 18,541.71

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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.