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Finding the Fourth Proportional to 50,640.80, 76,029.60 and 29,602.40

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Solution

The fourth proportional to 50,640.80, 76,029.60 and 29,602.40 is: 44,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.80 : 76,029.60 = 29,602.40 : x
  2. Step 2: Convert to fraction form
    50,640.80/76,029.60 = 29,602.40/x
  3. Step 3: Cross multiply
    50,640.80x = 76,029.60 × 29,602.40
  4. Step 4: Simplify right side
    50,640.80x = 2,250,658,631.04
  5. Step 5: Solve for x
    x = 2,250,658,631.04/50,640.80
  6. Step 6: Final answer
    x = 44,443.58

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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.