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Finding the Fourth Proportional to 58,759.44, 88,144.68 and 19,316.64

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Solution

The fourth proportional to 58,759.44, 88,144.68 and 19,316.64 is: 28,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,759.44 : 88,144.68 = 19,316.64 : x
  2. Step 2: Convert to fraction form
    58,759.44/88,144.68 = 19,316.64/x
  3. Step 3: Cross multiply
    58,759.44x = 88,144.68 × 19,316.64
  4. Step 4: Simplify right side
    58,759.44x = 1,702,659,051.48
  5. Step 5: Solve for x
    x = 1,702,659,051.48/58,759.44
  6. Step 6: Final answer
    x = 28,976.77

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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.