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Finding the Fourth Proportional to 7,893.75, 10,893.96 and 4,537.38

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Solution

The fourth proportional to 7,893.75, 10,893.96 and 4,537.38 is: 6,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.75 : 10,893.96 = 4,537.38 : x
  2. Step 2: Convert to fraction form
    7,893.75/10,893.96 = 4,537.38/x
  3. Step 3: Cross multiply
    7,893.75x = 10,893.96 × 4,537.38
  4. Step 4: Simplify right side
    7,893.75x = 49,430,036.22
  5. Step 5: Solve for x
    x = 49,430,036.22/7,893.75
  6. Step 6: Final answer
    x = 6,261.92

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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.