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Finding the Fourth Proportional to 74,706.54, 112,065.21 and 29,745.42

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Solution

The fourth proportional to 74,706.54, 112,065.21 and 29,745.42 is: 44,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706.54 : 112,065.21 = 29,745.42 : x
  2. Step 2: Convert to fraction form
    74,706.54/112,065.21 = 29,745.42/x
  3. Step 3: Cross multiply
    74,706.54x = 112,065.21 × 29,745.42
  4. Step 4: Simplify right side
    74,706.54x = 3,333,426,738.84
  5. Step 5: Solve for x
    x = 3,333,426,738.84/74,706.54
  6. Step 6: Final answer
    x = 44,620.28

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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.