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Finding the Fourth Proportional to 64,442.52, 96,682.50 and 28,895.94

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Solution

The fourth proportional to 64,442.52, 96,682.50 and 28,895.94 is: 43,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,442.52 : 96,682.50 = 28,895.94 : x
  2. Step 2: Convert to fraction form
    64,442.52/96,682.50 = 28,895.94/x
  3. Step 3: Cross multiply
    64,442.52x = 96,682.50 × 28,895.94
  4. Step 4: Simplify right side
    64,442.52x = 2,793,731,719.05
  5. Step 5: Solve for x
    x = 2,793,731,719.05/64,442.52
  6. Step 6: Final answer
    x = 43,352.30

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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.