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Finding the Fourth Proportional to 12,244.75, 16,897.76 and 7,276.75

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Solution

The fourth proportional to 12,244.75, 16,897.76 and 7,276.75 is: 10,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.75 : 16,897.76 = 7,276.75 : x
  2. Step 2: Convert to fraction form
    12,244.75/16,897.76 = 7,276.75/x
  3. Step 3: Cross multiply
    12,244.75x = 16,897.76 × 7,276.75
  4. Step 4: Simplify right side
    12,244.75x = 122,960,775.08
  5. Step 5: Solve for x
    x = 122,960,775.08/12,244.75
  6. Step 6: Final answer
    x = 10,041.92

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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.