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Finding the Fourth Proportional to 25,755.72, 38,630.58 and 7,035

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Solution

The fourth proportional to 25,755.72, 38,630.58 and 7,035 is: 10,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.72 : 38,630.58 = 7,035 : x
  2. Step 2: Convert to fraction form
    25,755.72/38,630.58 = 7,035/x
  3. Step 3: Cross multiply
    25,755.72x = 38,630.58 × 7,035
  4. Step 4: Simplify right side
    25,755.72x = 271,766,130.30
  5. Step 5: Solve for x
    x = 271,766,130.30/25,755.72
  6. Step 6: Final answer
    x = 10,551.68

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1.5x scale

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.