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Finding the Fourth Proportional to 49,550.74, 74,307.48 and 19,958.48

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Solution

The fourth proportional to 49,550.74, 74,307.48 and 19,958.48 is: 29,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,550.74 : 74,307.48 = 19,958.48 : x
  2. Step 2: Convert to fraction form
    49,550.74/74,307.48 = 19,958.48/x
  3. Step 3: Cross multiply
    49,550.74x = 74,307.48 × 19,958.48
  4. Step 4: Simplify right side
    49,550.74x = 1,483,064,353.43
  5. Step 5: Solve for x
    x = 1,483,064,353.43/49,550.74
  6. Step 6: Final answer
    x = 29,930.22

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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.