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Finding the Fourth Proportional to 30,390.46, 45,594.43 and 9,333.56

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Solution

The fourth proportional to 30,390.46, 45,594.43 and 9,333.56 is: 14,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.46 : 45,594.43 = 9,333.56 : x
  2. Step 2: Convert to fraction form
    30,390.46/45,594.43 = 9,333.56/x
  3. Step 3: Cross multiply
    30,390.46x = 45,594.43 × 9,333.56
  4. Step 4: Simplify right side
    30,390.46x = 425,558,438.72
  5. Step 5: Solve for x
    x = 425,558,438.72/30,390.46
  6. Step 6: Final answer
    x = 14,003.03

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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.