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Finding the Fourth Proportional to 17,520.50, 26,284.59 and 6,576.50

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Solution

The fourth proportional to 17,520.50, 26,284.59 and 6,576.50 is: 9,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.50 : 26,284.59 = 6,576.50 : x
  2. Step 2: Convert to fraction form
    17,520.50/26,284.59 = 6,576.50/x
  3. Step 3: Cross multiply
    17,520.50x = 26,284.59 × 6,576.50
  4. Step 4: Simplify right side
    17,520.50x = 172,860,606.14
  5. Step 5: Solve for x
    x = 172,860,606.14/17,520.50
  6. Step 6: Final answer
    x = 9,866.19

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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.