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Finding the Fourth Proportional to 30,237.94, 45,361.39 and 9,458.74

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Solution

The fourth proportional to 30,237.94, 45,361.39 and 9,458.74 is: 14,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.94 : 45,361.39 = 9,458.74 : x
  2. Step 2: Convert to fraction form
    30,237.94/45,361.39 = 9,458.74/x
  3. Step 3: Cross multiply
    30,237.94x = 45,361.39 × 9,458.74
  4. Step 4: Simplify right side
    30,237.94x = 429,061,594.05
  5. Step 5: Solve for x
    x = 429,061,594.05/30,237.94
  6. Step 6: Final answer
    x = 14,189.51

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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.