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Finding the Fourth Proportional to 16,974.40, 25,480.80 and 10,052.80

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Solution

The fourth proportional to 16,974.40, 25,480.80 and 10,052.80 is: 15,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.40 : 25,480.80 = 10,052.80 : x
  2. Step 2: Convert to fraction form
    16,974.40/25,480.80 = 10,052.80/x
  3. Step 3: Cross multiply
    16,974.40x = 25,480.80 × 10,052.80
  4. Step 4: Simplify right side
    16,974.40x = 256,153,386.24
  5. Step 5: Solve for x
    x = 256,153,386.24/16,974.40
  6. Step 6: Final answer
    x = 15,090.57

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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.