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Finding the Fourth Proportional to 64,835.06, 89,472.32 and 35,027.06

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Solution

The fourth proportional to 64,835.06, 89,472.32 and 35,027.06 is: 48,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,835.06 : 89,472.32 = 35,027.06 : x
  2. Step 2: Convert to fraction form
    64,835.06/89,472.32 = 35,027.06/x
  3. Step 3: Cross multiply
    64,835.06x = 89,472.32 × 35,027.06
  4. Step 4: Simplify right side
    64,835.06x = 3,133,952,320.98
  5. Step 5: Solve for x
    x = 3,133,952,320.98/64,835.06
  6. Step 6: Final answer
    x = 48,337.31

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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.