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Finding the Fourth Proportional to 6,893.70, 10,345.18 and 6,868.33

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Solution

The fourth proportional to 6,893.70, 10,345.18 and 6,868.33 is: 10,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.70 : 10,345.18 = 6,868.33 : x
  2. Step 2: Convert to fraction form
    6,893.70/10,345.18 = 6,868.33/x
  3. Step 3: Cross multiply
    6,893.70x = 10,345.18 × 6,868.33
  4. Step 4: Simplify right side
    6,893.70x = 71,054,110.15
  5. Step 5: Solve for x
    x = 71,054,110.15/6,893.70
  6. Step 6: Final answer
    x = 10,307.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.