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Finding the Fourth Proportional to 17,210.20, 25,815.48 and 7,343.32

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Solution

The fourth proportional to 17,210.20, 25,815.48 and 7,343.32 is: 11,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,210.20 : 25,815.48 = 7,343.32 : x
  2. Step 2: Convert to fraction form
    17,210.20/25,815.48 = 7,343.32/x
  3. Step 3: Cross multiply
    17,210.20x = 25,815.48 × 7,343.32
  4. Step 4: Simplify right side
    17,210.20x = 189,571,330.59
  5. Step 5: Solve for x
    x = 189,571,330.59/17,210.20
  6. Step 6: Final answer
    x = 11,015.06

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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.