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Finding the Fourth Proportional to 6,408.60, 9,612.54 and 2,461.74

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Solution

The fourth proportional to 6,408.60, 9,612.54 and 2,461.74 is: 3,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.60 : 9,612.54 = 2,461.74 : x
  2. Step 2: Convert to fraction form
    6,408.60/9,612.54 = 2,461.74/x
  3. Step 3: Cross multiply
    6,408.60x = 9,612.54 × 2,461.74
  4. Step 4: Simplify right side
    6,408.60x = 23,663,574.22
  5. Step 5: Solve for x
    x = 23,663,574.22/6,408.60
  6. Step 6: Final answer
    x = 3,692.47

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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.