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Finding the Fourth Proportional to 65,894.65, 90,941.13 and 37,604.59

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Solution

The fourth proportional to 65,894.65, 90,941.13 and 37,604.59 is: 51,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.65 : 90,941.13 = 37,604.59 : x
  2. Step 2: Convert to fraction form
    65,894.65/90,941.13 = 37,604.59/x
  3. Step 3: Cross multiply
    65,894.65x = 90,941.13 × 37,604.59
  4. Step 4: Simplify right side
    65,894.65x = 3,419,803,907.79
  5. Step 5: Solve for x
    x = 3,419,803,907.79/65,894.65
  6. Step 6: Final answer
    x = 51,898.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.