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Finding the Fourth Proportional to 34,341.40, 51,540.90 and 16,826.20

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Solution

The fourth proportional to 34,341.40, 51,540.90 and 16,826.20 is: 25,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,341.40 : 51,540.90 = 16,826.20 : x
  2. Step 2: Convert to fraction form
    34,341.40/51,540.90 = 16,826.20/x
  3. Step 3: Cross multiply
    34,341.40x = 51,540.90 × 16,826.20
  4. Step 4: Simplify right side
    34,341.40x = 867,237,491.58
  5. Step 5: Solve for x
    x = 867,237,491.58/34,341.40
  6. Step 6: Final answer
    x = 25,253.41

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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.