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Finding the Fourth Proportional to 6,648.51, 9,975.02 and 4,180.44

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Solution

The fourth proportional to 6,648.51, 9,975.02 and 4,180.44 is: 6,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.51 : 9,975.02 = 4,180.44 : x
  2. Step 2: Convert to fraction form
    6,648.51/9,975.02 = 4,180.44/x
  3. Step 3: Cross multiply
    6,648.51x = 9,975.02 × 4,180.44
  4. Step 4: Simplify right side
    6,648.51x = 41,699,972.61
  5. Step 5: Solve for x
    x = 41,699,972.61/6,648.51
  6. Step 6: Final answer
    x = 6,272.08

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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.