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Finding the Fourth Proportional to 7,662.51, 10,580.49 and 6,246.39

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Solution

The fourth proportional to 7,662.51, 10,580.49 and 6,246.39 is: 8,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.51 : 10,580.49 = 6,246.39 : x
  2. Step 2: Convert to fraction form
    7,662.51/10,580.49 = 6,246.39/x
  3. Step 3: Cross multiply
    7,662.51x = 10,580.49 × 6,246.39
  4. Step 4: Simplify right side
    7,662.51x = 66,089,866.93
  5. Step 5: Solve for x
    x = 66,089,866.93/7,662.51
  6. Step 6: Final answer
    x = 8,625.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.