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Finding the Fourth Proportional to 64,541.79, 89,042.79 and 47,586.27

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Solution

The fourth proportional to 64,541.79, 89,042.79 and 47,586.27 is: 65,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,541.79 : 89,042.79 = 47,586.27 : x
  2. Step 2: Convert to fraction form
    64,541.79/89,042.79 = 47,586.27/x
  3. Step 3: Cross multiply
    64,541.79x = 89,042.79 × 47,586.27
  4. Step 4: Simplify right side
    64,541.79x = 4,237,214,633.64
  5. Step 5: Solve for x
    x = 4,237,214,633.64/64,541.79
  6. Step 6: Final answer
    x = 65,650.72

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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.