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Finding the Fourth Proportional to 12,243.26, 16,897.14 and 7,275.26

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Solution

The fourth proportional to 12,243.26, 16,897.14 and 7,275.26 is: 10,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.26 : 16,897.14 = 7,275.26 : x
  2. Step 2: Convert to fraction form
    12,243.26/16,897.14 = 7,275.26/x
  3. Step 3: Cross multiply
    12,243.26x = 16,897.14 × 7,275.26
  4. Step 4: Simplify right side
    12,243.26x = 122,931,086.76
  5. Step 5: Solve for x
    x = 122,931,086.76/12,243.26
  6. Step 6: Final answer
    x = 10,040.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.