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Finding the Fourth Proportional to 64,957.63, 89,610.29 and 45,840.52

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Solution

The fourth proportional to 64,957.63, 89,610.29 and 45,840.52 is: 63,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,957.63 : 89,610.29 = 45,840.52 : x
  2. Step 2: Convert to fraction form
    64,957.63/89,610.29 = 45,840.52/x
  3. Step 3: Cross multiply
    64,957.63x = 89,610.29 × 45,840.52
  4. Step 4: Simplify right side
    64,957.63x = 4,107,782,290.95
  5. Step 5: Solve for x
    x = 4,107,782,290.95/64,957.63
  6. Step 6: Final answer
    x = 63,237.87

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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.