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Finding the Fourth Proportional to 69,599.53, 96,046 and 39,384.30

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Solution

The fourth proportional to 69,599.53, 96,046 and 39,384.30 is: 54,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,599.53 : 96,046 = 39,384.30 : x
  2. Step 2: Convert to fraction form
    69,599.53/96,046 = 39,384.30/x
  3. Step 3: Cross multiply
    69,599.53x = 96,046 × 39,384.30
  4. Step 4: Simplify right side
    69,599.53x = 3,782,704,477.80
  5. Step 5: Solve for x
    x = 3,782,704,477.80/69,599.53
  6. Step 6: Final answer
    x = 54,349.57

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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.