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Finding the Fourth Proportional to 6,903.30, 10,356.30 and 2,742.60

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Solution

The fourth proportional to 6,903.30, 10,356.30 and 2,742.60 is: 4,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.30 : 10,356.30 = 2,742.60 : x
  2. Step 2: Convert to fraction form
    6,903.30/10,356.30 = 2,742.60/x
  3. Step 3: Cross multiply
    6,903.30x = 10,356.30 × 2,742.60
  4. Step 4: Simplify right side
    6,903.30x = 28,403,188.38
  5. Step 5: Solve for x
    x = 28,403,188.38/6,903.30
  6. Step 6: Final answer
    x = 4,114.44

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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.