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Finding the Fourth Proportional to 25,373.96, 35,001.78 and 17,909

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Solution

The fourth proportional to 25,373.96, 35,001.78 and 17,909 is: 24,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,373.96 : 35,001.78 = 17,909 : x
  2. Step 2: Convert to fraction form
    25,373.96/35,001.78 = 17,909/x
  3. Step 3: Cross multiply
    25,373.96x = 35,001.78 × 17,909
  4. Step 4: Simplify right side
    25,373.96x = 626,846,878.02
  5. Step 5: Solve for x
    x = 626,846,878.02/25,373.96
  6. Step 6: Final answer
    x = 24,704.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.