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Finding the Fourth Proportional to 6,648.35, 9,970.09 and 2,750.63

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Solution

The fourth proportional to 6,648.35, 9,970.09 and 2,750.63 is: 4,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.35 : 9,970.09 = 2,750.63 : x
  2. Step 2: Convert to fraction form
    6,648.35/9,970.09 = 2,750.63/x
  3. Step 3: Cross multiply
    6,648.35x = 9,970.09 × 2,750.63
  4. Step 4: Simplify right side
    6,648.35x = 27,423,971.93
  5. Step 5: Solve for x
    x = 27,423,971.93/6,648.35
  6. Step 6: Final answer
    x = 4,124.93

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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.