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Finding the Fourth Proportional to 58,539.72, 87,804.54 and 16,416.48

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Solution

The fourth proportional to 58,539.72, 87,804.54 and 16,416.48 is: 24,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,539.72 : 87,804.54 = 16,416.48 : x
  2. Step 2: Convert to fraction form
    58,539.72/87,804.54 = 16,416.48/x
  3. Step 3: Cross multiply
    58,539.72x = 87,804.54 × 16,416.48
  4. Step 4: Simplify right side
    58,539.72x = 1,441,441,474.82
  5. Step 5: Solve for x
    x = 1,441,441,474.82/58,539.72
  6. Step 6: Final answer
    x = 24,623.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.