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Finding the Fourth Proportional to 40,025.01, 60,078.13 and 20,048.81

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Solution

The fourth proportional to 40,025.01, 60,078.13 and 20,048.81 is: 30,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025.01 : 60,078.13 = 20,048.81 : x
  2. Step 2: Convert to fraction form
    40,025.01/60,078.13 = 20,048.81/x
  3. Step 3: Cross multiply
    40,025.01x = 60,078.13 × 20,048.81
  4. Step 4: Simplify right side
    40,025.01x = 1,204,495,013.53
  5. Step 5: Solve for x
    x = 1,204,495,013.53/40,025.01
  6. Step 6: Final answer
    x = 30,093.56

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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.