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Finding the Fourth Proportional to 76,053.44, 104,953.98 and 42,519.44

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Solution

The fourth proportional to 76,053.44, 104,953.98 and 42,519.44 is: 58,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,053.44 : 104,953.98 = 42,519.44 : x
  2. Step 2: Convert to fraction form
    76,053.44/104,953.98 = 42,519.44/x
  3. Step 3: Cross multiply
    76,053.44x = 104,953.98 × 42,519.44
  4. Step 4: Simplify right side
    76,053.44x = 4,462,583,930.60
  5. Step 5: Solve for x
    x = 4,462,583,930.60/76,053.44
  6. Step 6: Final answer
    x = 58,676.95

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1.5x scale

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.