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Finding the Fourth Proportional to 33,585.40, 50,379.90 and 10,210.06

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Solution

The fourth proportional to 33,585.40, 50,379.90 and 10,210.06 is: 15,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,585.40 : 50,379.90 = 10,210.06 : x
  2. Step 2: Convert to fraction form
    33,585.40/50,379.90 = 10,210.06/x
  3. Step 3: Cross multiply
    33,585.40x = 50,379.90 × 10,210.06
  4. Step 4: Simplify right side
    33,585.40x = 514,381,801.79
  5. Step 5: Solve for x
    x = 514,381,801.79/33,585.40
  6. Step 6: Final answer
    x = 15,315.64

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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.