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Finding the Fourth Proportional to 27,119.96, 40,624.08 and 13,038.42

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Solution

The fourth proportional to 27,119.96, 40,624.08 and 13,038.42 is: 19,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.96 : 40,624.08 = 13,038.42 : x
  2. Step 2: Convert to fraction form
    27,119.96/40,624.08 = 13,038.42/x
  3. Step 3: Cross multiply
    27,119.96x = 40,624.08 × 13,038.42
  4. Step 4: Simplify right side
    27,119.96x = 529,673,765.43
  5. Step 5: Solve for x
    x = 529,673,765.43/27,119.96
  6. Step 6: Final answer
    x = 19,530.77

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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.