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Finding the Fourth Proportional to 58,876, 88,292.40 and 19,421.44

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Solution

The fourth proportional to 58,876, 88,292.40 and 19,421.44 is: 29,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,876 : 88,292.40 = 19,421.44 : x
  2. Step 2: Convert to fraction form
    58,876/88,292.40 = 19,421.44/x
  3. Step 3: Cross multiply
    58,876x = 88,292.40 × 19,421.44
  4. Step 4: Simplify right side
    58,876x = 1,714,765,549.06
  5. Step 5: Solve for x
    x = 1,714,765,549.06/58,876
  6. Step 6: Final answer
    x = 29,125.03

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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.