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Finding the Fourth Proportional to 74,452.46, 102,745.04 and 40,460.94

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Solution

The fourth proportional to 74,452.46, 102,745.04 and 40,460.94 is: 55,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,452.46 : 102,745.04 = 40,460.94 : x
  2. Step 2: Convert to fraction form
    74,452.46/102,745.04 = 40,460.94/x
  3. Step 3: Cross multiply
    74,452.46x = 102,745.04 × 40,460.94
  4. Step 4: Simplify right side
    74,452.46x = 4,157,160,696.43
  5. Step 5: Solve for x
    x = 4,157,160,696.43/74,452.46
  6. Step 6: Final answer
    x = 55,836.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.