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Finding the Fourth Proportional to 16,972.40, 25,477.80 and 10,050.80

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Solution

The fourth proportional to 16,972.40, 25,477.80 and 10,050.80 is: 15,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.40 : 25,477.80 = 10,050.80 : x
  2. Step 2: Convert to fraction form
    16,972.40/25,477.80 = 10,050.80/x
  3. Step 3: Cross multiply
    16,972.40x = 25,477.80 × 10,050.80
  4. Step 4: Simplify right side
    16,972.40x = 256,072,272.24
  5. Step 5: Solve for x
    x = 256,072,272.24/16,972.40
  6. Step 6: Final answer
    x = 15,087.57

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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.