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Finding the Fourth Proportional to 36,189.79, 54,287.93 and 9,894.67

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Solution

The fourth proportional to 36,189.79, 54,287.93 and 9,894.67 is: 14,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.79 : 54,287.93 = 9,894.67 : x
  2. Step 2: Convert to fraction form
    36,189.79/54,287.93 = 9,894.67/x
  3. Step 3: Cross multiply
    36,189.79x = 54,287.93 × 9,894.67
  4. Step 4: Simplify right side
    36,189.79x = 537,161,102.86
  5. Step 5: Solve for x
    x = 537,161,102.86/36,189.79
  6. Step 6: Final answer
    x = 14,842.89

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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.