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Finding the Fourth Proportional to 17,015.70, 25,535.70 and 9,612.30

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Solution

The fourth proportional to 17,015.70, 25,535.70 and 9,612.30 is: 14,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.70 : 25,535.70 = 9,612.30 : x
  2. Step 2: Convert to fraction form
    17,015.70/25,535.70 = 9,612.30/x
  3. Step 3: Cross multiply
    17,015.70x = 25,535.70 × 9,612.30
  4. Step 4: Simplify right side
    17,015.70x = 245,456,809.11
  5. Step 5: Solve for x
    x = 245,456,809.11/17,015.70
  6. Step 6: Final answer
    x = 14,425.31

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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.