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Finding the Fourth Proportional to 38,537.10, 54,029.70 and 38,537.10

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Solution

The fourth proportional to 38,537.10, 54,029.70 and 38,537.10 is: 54,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.10 : 54,029.70 = 38,537.10 : x
  2. Step 2: Convert to fraction form
    38,537.10/54,029.70 = 38,537.10/x
  3. Step 3: Cross multiply
    38,537.10x = 54,029.70 × 38,537.10
  4. Step 4: Simplify right side
    38,537.10x = 2,082,147,951.87
  5. Step 5: Solve for x
    x = 2,082,147,951.87/38,537.10
  6. Step 6: Final answer
    x = 54,029.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.