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Finding the Fourth Proportional to 30,664.76, 45,997.14 and 9,604.98

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Solution

The fourth proportional to 30,664.76, 45,997.14 and 9,604.98 is: 14,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.76 : 45,997.14 = 9,604.98 : x
  2. Step 2: Convert to fraction form
    30,664.76/45,997.14 = 9,604.98/x
  3. Step 3: Cross multiply
    30,664.76x = 45,997.14 × 9,604.98
  4. Step 4: Simplify right side
    30,664.76x = 441,801,618.76
  5. Step 5: Solve for x
    x = 441,801,618.76/30,664.76
  6. Step 6: Final answer
    x = 14,407.47

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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.