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Finding the Fourth Proportional to 49,550.80, 74,383.80 and 29,851.60

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Solution

The fourth proportional to 49,550.80, 74,383.80 and 29,851.60 is: 44,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,550.80 : 74,383.80 = 29,851.60 : x
  2. Step 2: Convert to fraction form
    49,550.80/74,383.80 = 29,851.60/x
  3. Step 3: Cross multiply
    49,550.80x = 74,383.80 × 29,851.60
  4. Step 4: Simplify right side
    49,550.80x = 2,220,475,444.08
  5. Step 5: Solve for x
    x = 2,220,475,444.08/49,550.80
  6. Step 6: Final answer
    x = 44,812.10

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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.