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Finding the Fourth Proportional to 58,872, 88,286.40 and 19,417.44

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Solution

The fourth proportional to 58,872, 88,286.40 and 19,417.44 is: 29,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,872 : 88,286.40 = 19,417.44 : x
  2. Step 2: Convert to fraction form
    58,872/88,286.40 = 19,417.44/x
  3. Step 3: Cross multiply
    58,872x = 88,286.40 × 19,417.44
  4. Step 4: Simplify right side
    58,872x = 1,714,295,874.82
  5. Step 5: Solve for x
    x = 1,714,295,874.82/58,872
  6. Step 6: Final answer
    x = 29,119.04

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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.