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Finding the Fourth Proportional to 33,758.40, 46,585.40 and 18,650.80

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Solution

The fourth proportional to 33,758.40, 46,585.40 and 18,650.80 is: 25,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,758.40 : 46,585.40 = 18,650.80 : x
  2. Step 2: Convert to fraction form
    33,758.40/46,585.40 = 18,650.80/x
  3. Step 3: Cross multiply
    33,758.40x = 46,585.40 × 18,650.80
  4. Step 4: Simplify right side
    33,758.40x = 868,854,978.32
  5. Step 5: Solve for x
    x = 868,854,978.32/33,758.40
  6. Step 6: Final answer
    x = 25,737.45

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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.