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Finding the Fourth Proportional to 64,551.35, 89,055.96 and 47,595.83

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Solution

The fourth proportional to 64,551.35, 89,055.96 and 47,595.83 is: 65,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.35 : 89,055.96 = 47,595.83 : x
  2. Step 2: Convert to fraction form
    64,551.35/89,055.96 = 47,595.83/x
  3. Step 3: Cross multiply
    64,551.35x = 89,055.96 × 47,595.83
  4. Step 4: Simplify right side
    64,551.35x = 4,238,691,887.37
  5. Step 5: Solve for x
    x = 4,238,691,887.37/64,551.35
  6. Step 6: Final answer
    x = 65,663.88

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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.