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Finding the Fourth Proportional to 30,471.92, 45,680.43 and 10,746.98

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Solution

The fourth proportional to 30,471.92, 45,680.43 and 10,746.98 is: 16,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.92 : 45,680.43 = 10,746.98 : x
  2. Step 2: Convert to fraction form
    30,471.92/45,680.43 = 10,746.98/x
  3. Step 3: Cross multiply
    30,471.92x = 45,680.43 × 10,746.98
  4. Step 4: Simplify right side
    30,471.92x = 490,926,667.60
  5. Step 5: Solve for x
    x = 490,926,667.60/30,471.92
  6. Step 6: Final answer
    x = 16,110.79

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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.