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Finding the Fourth Proportional to 36,016.65, 54,024.99 and 9,721.35

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Solution

The fourth proportional to 36,016.65, 54,024.99 and 9,721.35 is: 14,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.65 : 54,024.99 = 9,721.35 : x
  2. Step 2: Convert to fraction form
    36,016.65/54,024.99 = 9,721.35/x
  3. Step 3: Cross multiply
    36,016.65x = 54,024.99 × 9,721.35
  4. Step 4: Simplify right side
    36,016.65x = 525,195,836.54
  5. Step 5: Solve for x
    x = 525,195,836.54/36,016.65
  6. Step 6: Final answer
    x = 14,582.03

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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.