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Finding the Fourth Proportional to 33,509.34, 46,242.81 and 18,605.34

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Solution

The fourth proportional to 33,509.34, 46,242.81 and 18,605.34 is: 25,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,509.34 : 46,242.81 = 18,605.34 : x
  2. Step 2: Convert to fraction form
    33,509.34/46,242.81 = 18,605.34/x
  3. Step 3: Cross multiply
    33,509.34x = 46,242.81 × 18,605.34
  4. Step 4: Simplify right side
    33,509.34x = 860,363,202.61
  5. Step 5: Solve for x
    x = 860,363,202.61/33,509.34
  6. Step 6: Final answer
    x = 25,675.33

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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.