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Finding the Fourth Proportional to 33,641.70, 46,427.70 and 18,534.36

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Solution

The fourth proportional to 33,641.70, 46,427.70 and 18,534.36 is: 25,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,641.70 : 46,427.70 = 18,534.36 : x
  2. Step 2: Convert to fraction form
    33,641.70/46,427.70 = 18,534.36/x
  3. Step 3: Cross multiply
    33,641.70x = 46,427.70 × 18,534.36
  4. Step 4: Simplify right side
    33,641.70x = 860,507,705.77
  5. Step 5: Solve for x
    x = 860,507,705.77/33,641.70
  6. Step 6: Final answer
    x = 25,578.60

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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.