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Finding the Fourth Proportional to 19,627.73, 29,425 and 8,526.02

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Solution

The fourth proportional to 19,627.73, 29,425 and 8,526.02 is: 12,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.73 : 29,425 = 8,526.02 : x
  2. Step 2: Convert to fraction form
    19,627.73/29,425 = 8,526.02/x
  3. Step 3: Cross multiply
    19,627.73x = 29,425 × 8,526.02
  4. Step 4: Simplify right side
    19,627.73x = 250,878,138.50
  5. Step 5: Solve for x
    x = 250,878,138.50/19,627.73
  6. Step 6: Final answer
    x = 12,781.82

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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.