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Finding the Fourth Proportional to 58,844.88, 88,289.06 and 21,407.90

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Solution

The fourth proportional to 58,844.88, 88,289.06 and 21,407.90 is: 32,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,844.88 : 88,289.06 = 21,407.90 : x
  2. Step 2: Convert to fraction form
    58,844.88/88,289.06 = 21,407.90/x
  3. Step 3: Cross multiply
    58,844.88x = 88,289.06 × 21,407.90
  4. Step 4: Simplify right side
    58,844.88x = 1,890,082,819.09
  5. Step 5: Solve for x
    x = 1,890,082,819.09/58,844.88
  6. Step 6: Final answer
    x = 32,119.75

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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.