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Finding the Fourth Proportional to 53,852.81, 80,790.87 and 16,411.89

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Solution

The fourth proportional to 53,852.81, 80,790.87 and 16,411.89 is: 24,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,852.81 : 80,790.87 = 16,411.89 : x
  2. Step 2: Convert to fraction form
    53,852.81/80,790.87 = 16,411.89/x
  3. Step 3: Cross multiply
    53,852.81x = 80,790.87 × 16,411.89
  4. Step 4: Simplify right side
    53,852.81x = 1,325,930,789.38
  5. Step 5: Solve for x
    x = 1,325,930,789.38/53,852.81
  6. Step 6: Final answer
    x = 24,621.39

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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.