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Finding the Fourth Proportional to 49,959.59, 74,940.19 and 16,679.79

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Solution

The fourth proportional to 49,959.59, 74,940.19 and 16,679.79 is: 25,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,959.59 : 74,940.19 = 16,679.79 : x
  2. Step 2: Convert to fraction form
    49,959.59/74,940.19 = 16,679.79/x
  3. Step 3: Cross multiply
    49,959.59x = 74,940.19 × 16,679.79
  4. Step 4: Simplify right side
    49,959.59x = 1,249,986,590.06
  5. Step 5: Solve for x
    x = 1,249,986,590.06/49,959.59
  6. Step 6: Final answer
    x = 25,019.96

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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.