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Finding the Fourth Proportional to 38,678.00, 57,927.03 and 37,613.80

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Solution

The fourth proportional to 38,678.00, 57,927.03 and 37,613.80 is: 56,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678.00 : 57,927.03 = 37,613.80 : x
  2. Step 2: Convert to fraction form
    38,678.00/57,927.03 = 37,613.80/x
  3. Step 3: Cross multiply
    38,678.00x = 57,927.03 × 37,613.80
  4. Step 4: Simplify right side
    38,678.00x = 2,178,855,815.05
  5. Step 5: Solve for x
    x = 2,178,855,815.05/38,678.00
  6. Step 6: Final answer
    x = 56,333.21

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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.