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Finding the Fourth Proportional to 6,354.17, 8,771.85 and 4,230.95

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Solution

The fourth proportional to 6,354.17, 8,771.85 and 4,230.95 is: 5,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.17 : 8,771.85 = 4,230.95 : x
  2. Step 2: Convert to fraction form
    6,354.17/8,771.85 = 4,230.95/x
  3. Step 3: Cross multiply
    6,354.17x = 8,771.85 × 4,230.95
  4. Step 4: Simplify right side
    6,354.17x = 37,113,237.60
  5. Step 5: Solve for x
    x = 37,113,237.60/6,354.17
  6. Step 6: Final answer
    x = 5,840.77

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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.