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Finding the Fourth Proportional to 33,986.80, 46,900.15 and 18,880.44

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Solution

The fourth proportional to 33,986.80, 46,900.15 and 18,880.44 is: 26,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986.80 : 46,900.15 = 18,880.44 : x
  2. Step 2: Convert to fraction form
    33,986.80/46,900.15 = 18,880.44/x
  3. Step 3: Cross multiply
    33,986.80x = 46,900.15 × 18,880.44
  4. Step 4: Simplify right side
    33,986.80x = 885,495,468.07
  5. Step 5: Solve for x
    x = 885,495,468.07/33,986.80
  6. Step 6: Final answer
    x = 26,054.10

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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.