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Finding the Fourth Proportional to 17,897.46, 26,846.16 and 7,509.21

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Solution

The fourth proportional to 17,897.46, 26,846.16 and 7,509.21 is: 11,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.46 : 26,846.16 = 7,509.21 : x
  2. Step 2: Convert to fraction form
    17,897.46/26,846.16 = 7,509.21/x
  3. Step 3: Cross multiply
    17,897.46x = 26,846.16 × 7,509.21
  4. Step 4: Simplify right side
    17,897.46x = 201,593,453.13
  5. Step 5: Solve for x
    x = 201,593,453.13/17,897.46
  6. Step 6: Final answer
    x = 11,263.80

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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.