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Finding the Fourth Proportional to 6,899.58, 10,345.58 and 2,735.37

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Solution

The fourth proportional to 6,899.58, 10,345.58 and 2,735.37 is: 4,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.58 : 10,345.58 = 2,735.37 : x
  2. Step 2: Convert to fraction form
    6,899.58/10,345.58 = 2,735.37/x
  3. Step 3: Cross multiply
    6,899.58x = 10,345.58 × 2,735.37
  4. Step 4: Simplify right side
    6,899.58x = 28,298,989.16
  5. Step 5: Solve for x
    x = 28,298,989.16/6,899.58
  6. Step 6: Final answer
    x = 4,101.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.