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Finding the Fourth Proportional to 6,683.61, 9,220.32 and 4,326.51

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Solution

The fourth proportional to 6,683.61, 9,220.32 and 4,326.51 is: 5,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.61 : 9,220.32 = 4,326.51 : x
  2. Step 2: Convert to fraction form
    6,683.61/9,220.32 = 4,326.51/x
  3. Step 3: Cross multiply
    6,683.61x = 9,220.32 × 4,326.51
  4. Step 4: Simplify right side
    6,683.61x = 39,891,806.68
  5. Step 5: Solve for x
    x = 39,891,806.68/6,683.61
  6. Step 6: Final answer
    x = 5,968.60

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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.