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Finding the Fourth Proportional to 17,030.70, 25,520.03 and 7,164.57

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Solution

The fourth proportional to 17,030.70, 25,520.03 and 7,164.57 is: 10,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,030.70 : 25,520.03 = 7,164.57 : x
  2. Step 2: Convert to fraction form
    17,030.70/25,520.03 = 7,164.57/x
  3. Step 3: Cross multiply
    17,030.70x = 25,520.03 × 7,164.57
  4. Step 4: Simplify right side
    17,030.70x = 182,840,005.51
  5. Step 5: Solve for x
    x = 182,840,005.51/17,030.70
  6. Step 6: Final answer
    x = 10,735.91

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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.