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Finding the Fourth Proportional to 58,978.44, 88,467.12 and 23,909.76

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Solution

The fourth proportional to 58,978.44, 88,467.12 and 23,909.76 is: 35,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,978.44 : 88,467.12 = 23,909.76 : x
  2. Step 2: Convert to fraction form
    58,978.44/88,467.12 = 23,909.76/x
  3. Step 3: Cross multiply
    58,978.44x = 88,467.12 × 23,909.76
  4. Step 4: Simplify right side
    58,978.44x = 2,115,227,607.09
  5. Step 5: Solve for x
    x = 2,115,227,607.09/58,978.44
  6. Step 6: Final answer
    x = 35,864.42

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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.