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Finding the Fourth Proportional to 19,277.52, 28,944.90 and 11,860.62

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Solution

The fourth proportional to 19,277.52, 28,944.90 and 11,860.62 is: 17,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.52 : 28,944.90 = 11,860.62 : x
  2. Step 2: Convert to fraction form
    19,277.52/28,944.90 = 11,860.62/x
  3. Step 3: Cross multiply
    19,277.52x = 28,944.90 × 11,860.62
  4. Step 4: Simplify right side
    19,277.52x = 343,304,459.84
  5. Step 5: Solve for x
    x = 343,304,459.84/19,277.52
  6. Step 6: Final answer
    x = 17,808.54

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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.