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Finding the Fourth Proportional to 30,059.88, 45,089.82 and 11,334.84

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Solution

The fourth proportional to 30,059.88, 45,089.82 and 11,334.84 is: 17,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.88 : 45,089.82 = 11,334.84 : x
  2. Step 2: Convert to fraction form
    30,059.88/45,089.82 = 11,334.84/x
  3. Step 3: Cross multiply
    30,059.88x = 45,089.82 × 11,334.84
  4. Step 4: Simplify right side
    30,059.88x = 511,085,895.33
  5. Step 5: Solve for x
    x = 511,085,895.33/30,059.88
  6. Step 6: Final answer
    x = 17,002.26

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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.