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Finding the Fourth Proportional to 18,041.70, 25,006.70 and 17,003.48

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Solution

The fourth proportional to 18,041.70, 25,006.70 and 17,003.48 is: 23,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.70 : 25,006.70 = 17,003.48 : x
  2. Step 2: Convert to fraction form
    18,041.70/25,006.70 = 17,003.48/x
  3. Step 3: Cross multiply
    18,041.70x = 25,006.70 × 17,003.48
  4. Step 4: Simplify right side
    18,041.70x = 425,200,923.32
  5. Step 5: Solve for x
    x = 425,200,923.32/18,041.70
  6. Step 6: Final answer
    x = 23,567.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.