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Finding the Fourth Proportional to 6,156.63, 9,234.94 and 1,539.63

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Solution

The fourth proportional to 6,156.63, 9,234.94 and 1,539.63 is: 2,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.63 : 9,234.94 = 1,539.63 : x
  2. Step 2: Convert to fraction form
    6,156.63/9,234.94 = 1,539.63/x
  3. Step 3: Cross multiply
    6,156.63x = 9,234.94 × 1,539.63
  4. Step 4: Simplify right side
    6,156.63x = 14,218,344.50
  5. Step 5: Solve for x
    x = 14,218,344.50/6,156.63
  6. Step 6: Final answer
    x = 2,309.44

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Half scale
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Double scale
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Similar ratio
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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.