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Finding the Fourth Proportional to 64,733.94, 89,360.45 and 43,525.50

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Solution

The fourth proportional to 64,733.94, 89,360.45 and 43,525.50 is: 60,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,733.94 : 89,360.45 = 43,525.50 : x
  2. Step 2: Convert to fraction form
    64,733.94/89,360.45 = 43,525.50/x
  3. Step 3: Cross multiply
    64,733.94x = 89,360.45 × 43,525.50
  4. Step 4: Simplify right side
    64,733.94x = 3,889,458,266.48
  5. Step 5: Solve for x
    x = 3,889,458,266.48/64,733.94
  6. Step 6: Final answer
    x = 60,083.76

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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.