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Finding the Fourth Proportional to 58,999.76, 88,485.66 and 16,878.54

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Solution

The fourth proportional to 58,999.76, 88,485.66 and 16,878.54 is: 25,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.76 : 88,485.66 = 16,878.54 : x
  2. Step 2: Convert to fraction form
    58,999.76/88,485.66 = 16,878.54/x
  3. Step 3: Cross multiply
    58,999.76x = 88,485.66 × 16,878.54
  4. Step 4: Simplify right side
    58,999.76x = 1,493,508,751.74
  5. Step 5: Solve for x
    x = 1,493,508,751.74/58,999.76
  6. Step 6: Final answer
    x = 25,313.81

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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.