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Finding the Fourth Proportional to 58,999.96, 88,500.78 and 21,079.24

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Solution

The fourth proportional to 58,999.96, 88,500.78 and 21,079.24 is: 31,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.96 : 88,500.78 = 21,079.24 : x
  2. Step 2: Convert to fraction form
    58,999.96/88,500.78 = 21,079.24/x
  3. Step 3: Cross multiply
    58,999.96x = 88,500.78 × 21,079.24
  4. Step 4: Simplify right side
    58,999.96x = 1,865,529,181.81
  5. Step 5: Solve for x
    x = 1,865,529,181.81/58,999.96
  6. Step 6: Final answer
    x = 31,619.16

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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.