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Finding the Fourth Proportional to 6,074.63, 8,386.63 and 3,982.40

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Solution

The fourth proportional to 6,074.63, 8,386.63 and 3,982.40 is: 5,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.63 : 8,386.63 = 3,982.40 : x
  2. Step 2: Convert to fraction form
    6,074.63/8,386.63 = 3,982.40/x
  3. Step 3: Cross multiply
    6,074.63x = 8,386.63 × 3,982.40
  4. Step 4: Simplify right side
    6,074.63x = 33,398,915.31
  5. Step 5: Solve for x
    x = 33,398,915.31/6,074.63
  6. Step 6: Final answer
    x = 5,498.10

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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.