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Finding the Fourth Proportional to 6,267.90, 8,649.90 and 3,435.47

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Solution

The fourth proportional to 6,267.90, 8,649.90 and 3,435.47 is: 4,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.90 : 8,649.90 = 3,435.47 : x
  2. Step 2: Convert to fraction form
    6,267.90/8,649.90 = 3,435.47/x
  3. Step 3: Cross multiply
    6,267.90x = 8,649.90 × 3,435.47
  4. Step 4: Simplify right side
    6,267.90x = 29,716,428.70
  5. Step 5: Solve for x
    x = 29,716,428.70/6,267.90
  6. Step 6: Final answer
    x = 4,741.05

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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.