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Finding the Fourth Proportional to 6,450.22, 9,621.94 and 6,365.74

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Solution

The fourth proportional to 6,450.22, 9,621.94 and 6,365.74 is: 9,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.22 : 9,621.94 = 6,365.74 : x
  2. Step 2: Convert to fraction form
    6,450.22/9,621.94 = 6,365.74/x
  3. Step 3: Cross multiply
    6,450.22x = 9,621.94 × 6,365.74
  4. Step 4: Simplify right side
    6,450.22x = 61,250,736.51
  5. Step 5: Solve for x
    x = 61,250,736.51/6,450.22
  6. Step 6: Final answer
    x = 9,495.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.