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Finding the Fourth Proportional to 38,415.10, 57,622.65 and 36,514.30

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Solution

The fourth proportional to 38,415.10, 57,622.65 and 36,514.30 is: 54,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.10 : 57,622.65 = 36,514.30 : x
  2. Step 2: Convert to fraction form
    38,415.10/57,622.65 = 36,514.30/x
  3. Step 3: Cross multiply
    38,415.10x = 57,622.65 × 36,514.30
  4. Step 4: Simplify right side
    38,415.10x = 2,104,050,728.90
  5. Step 5: Solve for x
    x = 2,104,050,728.90/38,415.10
  6. Step 6: Final answer
    x = 54,771.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.