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Finding the Fourth Proportional to 12,299.03, 16,972.15 and 7,264.87

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Solution

The fourth proportional to 12,299.03, 16,972.15 and 7,264.87 is: 10,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.03 : 16,972.15 = 7,264.87 : x
  2. Step 2: Convert to fraction form
    12,299.03/16,972.15 = 7,264.87/x
  3. Step 3: Cross multiply
    12,299.03x = 16,972.15 × 7,264.87
  4. Step 4: Simplify right side
    12,299.03x = 123,300,463.37
  5. Step 5: Solve for x
    x = 123,300,463.37/12,299.03
  6. Step 6: Final answer
    x = 10,025.22

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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.