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Finding the Fourth Proportional to 6,321, 8,693.82 and 5,533.68

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Solution

The fourth proportional to 6,321, 8,693.82 and 5,533.68 is: 7,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321 : 8,693.82 = 5,533.68 : x
  2. Step 2: Convert to fraction form
    6,321/8,693.82 = 5,533.68/x
  3. Step 3: Cross multiply
    6,321x = 8,693.82 × 5,533.68
  4. Step 4: Simplify right side
    6,321x = 48,108,817.86
  5. Step 5: Solve for x
    x = 48,108,817.86/6,321
  6. Step 6: Final answer
    x = 7,610.95

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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.