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Finding the Fourth Proportional to 54,307.85, 81,461.78 and 35,596.85

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Solution

The fourth proportional to 54,307.85, 81,461.78 and 35,596.85 is: 53,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.85 : 81,461.78 = 35,596.85 : x
  2. Step 2: Convert to fraction form
    54,307.85/81,461.78 = 35,596.85/x
  3. Step 3: Cross multiply
    54,307.85x = 81,461.78 × 35,596.85
  4. Step 4: Simplify right side
    54,307.85x = 2,899,782,585.41
  5. Step 5: Solve for x
    x = 2,899,782,585.41/54,307.85
  6. Step 6: Final answer
    x = 53,395.28

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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.