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Finding the Fourth Proportional to 6,852.69, 10,258.07 and 4,389.89

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Solution

The fourth proportional to 6,852.69, 10,258.07 and 4,389.89 is: 6,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,852.69 : 10,258.07 = 4,389.89 : x
  2. Step 2: Convert to fraction form
    6,852.69/10,258.07 = 4,389.89/x
  3. Step 3: Cross multiply
    6,852.69x = 10,258.07 × 4,389.89
  4. Step 4: Simplify right side
    6,852.69x = 45,031,725.67
  5. Step 5: Solve for x
    x = 45,031,725.67/6,852.69
  6. Step 6: Final answer
    x = 6,571.39

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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.