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Finding the Fourth Proportional to 36,885.65, 55,357.43 and 25,719.65

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Solution

The fourth proportional to 36,885.65, 55,357.43 and 25,719.65 is: 38,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.65 : 55,357.43 = 25,719.65 : x
  2. Step 2: Convert to fraction form
    36,885.65/55,357.43 = 25,719.65/x
  3. Step 3: Cross multiply
    36,885.65x = 55,357.43 × 25,719.65
  4. Step 4: Simplify right side
    36,885.65x = 1,423,773,682.40
  5. Step 5: Solve for x
    x = 1,423,773,682.40/36,885.65
  6. Step 6: Final answer
    x = 38,599.66

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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.