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Finding the Fourth Proportional to 33,393, 46,077.54 and 28,377.32

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Solution

The fourth proportional to 33,393, 46,077.54 and 28,377.32 is: 39,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,393 : 46,077.54 = 28,377.32 : x
  2. Step 2: Convert to fraction form
    33,393/46,077.54 = 28,377.32/x
  3. Step 3: Cross multiply
    33,393x = 46,077.54 × 28,377.32
  4. Step 4: Simplify right side
    33,393x = 1,307,557,097.39
  5. Step 5: Solve for x
    x = 1,307,557,097.39/33,393
  6. Step 6: Final answer
    x = 39,156.62

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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.