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Finding the Fourth Proportional to 64,927.72, 89,548.32 and 44,779.96

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Solution

The fourth proportional to 64,927.72, 89,548.32 and 44,779.96 is: 61,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,927.72 : 89,548.32 = 44,779.96 : x
  2. Step 2: Convert to fraction form
    64,927.72/89,548.32 = 44,779.96/x
  3. Step 3: Cross multiply
    64,927.72x = 89,548.32 × 44,779.96
  4. Step 4: Simplify right side
    64,927.72x = 4,009,970,187.67
  5. Step 5: Solve for x
    x = 4,009,970,187.67/64,927.72
  6. Step 6: Final answer
    x = 61,760.53

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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.