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Finding the Fourth Proportional to 11,672.09, 17,508.09 and 2,907.01

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Solution

The fourth proportional to 11,672.09, 17,508.09 and 2,907.01 is: 4,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.09 : 17,508.09 = 2,907.01 : x
  2. Step 2: Convert to fraction form
    11,672.09/17,508.09 = 2,907.01/x
  3. Step 3: Cross multiply
    11,672.09x = 17,508.09 × 2,907.01
  4. Step 4: Simplify right side
    11,672.09x = 50,896,148.94
  5. Step 5: Solve for x
    x = 50,896,148.94/11,672.09
  6. Step 6: Final answer
    x = 4,360.50

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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.