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Finding the Fourth Proportional to 34,175.40, 51,291.90 and 16,660.20

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Solution

The fourth proportional to 34,175.40, 51,291.90 and 16,660.20 is: 25,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.40 : 51,291.90 = 16,660.20 : x
  2. Step 2: Convert to fraction form
    34,175.40/51,291.90 = 16,660.20/x
  3. Step 3: Cross multiply
    34,175.40x = 51,291.90 × 16,660.20
  4. Step 4: Simplify right side
    34,175.40x = 854,533,312.38
  5. Step 5: Solve for x
    x = 854,533,312.38/34,175.40
  6. Step 6: Final answer
    x = 25,004.34

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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.