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Finding the Fourth Proportional to 6,098.55, 8,415.90 and 3,445.80

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Solution

The fourth proportional to 6,098.55, 8,415.90 and 3,445.80 is: 4,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,098.55 : 8,415.90 = 3,445.80 : x
  2. Step 2: Convert to fraction form
    6,098.55/8,415.90 = 3,445.80/x
  3. Step 3: Cross multiply
    6,098.55x = 8,415.90 × 3,445.80
  4. Step 4: Simplify right side
    6,098.55x = 28,999,508.22
  5. Step 5: Solve for x
    x = 28,999,508.22/6,098.55
  6. Step 6: Final answer
    x = 4,755.15

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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.