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Finding the Fourth Proportional to 38,595.81, 57,893.71 and 10,893.81

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Solution

The fourth proportional to 38,595.81, 57,893.71 and 10,893.81 is: 16,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595.81 : 57,893.71 = 10,893.81 : x
  2. Step 2: Convert to fraction form
    38,595.81/57,893.71 = 10,893.81/x
  3. Step 3: Cross multiply
    38,595.81x = 57,893.71 × 10,893.81
  4. Step 4: Simplify right side
    38,595.81x = 630,683,076.94
  5. Step 5: Solve for x
    x = 630,683,076.94/38,595.81
  6. Step 6: Final answer
    x = 16,340.71

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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.