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Finding the Fourth Proportional to 30,398.46, 45,606.06 and 10,674.42

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Solution

The fourth proportional to 30,398.46, 45,606.06 and 10,674.42 is: 16,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.46 : 45,606.06 = 10,674.42 : x
  2. Step 2: Convert to fraction form
    30,398.46/45,606.06 = 10,674.42/x
  3. Step 3: Cross multiply
    30,398.46x = 45,606.06 × 10,674.42
  4. Step 4: Simplify right side
    30,398.46x = 486,818,238.99
  5. Step 5: Solve for x
    x = 486,818,238.99/30,398.46
  6. Step 6: Final answer
    x = 16,014.57

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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.