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Finding the Fourth Proportional to 17,256.06, 25,866.68 and 6,719.49

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Solution

The fourth proportional to 17,256.06, 25,866.68 and 6,719.49 is: 10,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.06 : 25,866.68 = 6,719.49 : x
  2. Step 2: Convert to fraction form
    17,256.06/25,866.68 = 6,719.49/x
  3. Step 3: Cross multiply
    17,256.06x = 25,866.68 × 6,719.49
  4. Step 4: Simplify right side
    17,256.06x = 173,810,864.00
  5. Step 5: Solve for x
    x = 173,810,864.00/17,256.06
  6. Step 6: Final answer
    x = 10,072.45

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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.