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Finding the Fourth Proportional to 33,442.80, 46,150.80 and 18,538.80

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Solution

The fourth proportional to 33,442.80, 46,150.80 and 18,538.80 is: 25,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,442.80 : 46,150.80 = 18,538.80 : x
  2. Step 2: Convert to fraction form
    33,442.80/46,150.80 = 18,538.80/x
  3. Step 3: Cross multiply
    33,442.80x = 46,150.80 × 18,538.80
  4. Step 4: Simplify right side
    33,442.80x = 855,580,451.04
  5. Step 5: Solve for x
    x = 855,580,451.04/33,442.80
  6. Step 6: Final answer
    x = 25,583.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.