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Finding the Fourth Proportional to 6,862.52, 9,466.79 and 4,340.39

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Solution

The fourth proportional to 6,862.52, 9,466.79 and 4,340.39 is: 5,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.52 : 9,466.79 = 4,340.39 : x
  2. Step 2: Convert to fraction form
    6,862.52/9,466.79 = 4,340.39/x
  3. Step 3: Cross multiply
    6,862.52x = 9,466.79 × 4,340.39
  4. Step 4: Simplify right side
    6,862.52x = 41,089,538.95
  5. Step 5: Solve for x
    x = 41,089,538.95/6,862.52
  6. Step 6: Final answer
    x = 5,987.53

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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.