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Finding the Fourth Proportional to 45,575, 68,363.58 and 17,873

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Solution

The fourth proportional to 45,575, 68,363.58 and 17,873 is: 26,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575 : 68,363.58 = 17,873 : x
  2. Step 2: Convert to fraction form
    45,575/68,363.58 = 17,873/x
  3. Step 3: Cross multiply
    45,575x = 68,363.58 × 17,873
  4. Step 4: Simplify right side
    45,575x = 1,221,862,265.34
  5. Step 5: Solve for x
    x = 1,221,862,265.34/45,575
  6. Step 6: Final answer
    x = 26,809.92

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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.