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Finding the Fourth Proportional to 33,447.80, 46,157.70 and 18,543.80

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Solution

The fourth proportional to 33,447.80, 46,157.70 and 18,543.80 is: 25,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,447.80 : 46,157.70 = 18,543.80 : x
  2. Step 2: Convert to fraction form
    33,447.80/46,157.70 = 18,543.80/x
  3. Step 3: Cross multiply
    33,447.80x = 46,157.70 × 18,543.80
  4. Step 4: Simplify right side
    33,447.80x = 855,939,157.26
  5. Step 5: Solve for x
    x = 855,939,157.26/33,447.80
  6. Step 6: Final answer
    x = 25,590.30

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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.