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Finding the Fourth Proportional to 35,853.83, 53,780.72 and 10,893.78

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Solution

The fourth proportional to 35,853.83, 53,780.72 and 10,893.78 is: 16,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.83 : 53,780.72 = 10,893.78 : x
  2. Step 2: Convert to fraction form
    35,853.83/53,780.72 = 10,893.78/x
  3. Step 3: Cross multiply
    35,853.83x = 53,780.72 × 10,893.78
  4. Step 4: Simplify right side
    35,853.83x = 585,875,439.57
  5. Step 5: Solve for x
    x = 585,875,439.57/35,853.83
  6. Step 6: Final answer
    x = 16,340.67

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Similar ratio
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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.