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Finding the Fourth Proportional to 35,038.80, 52,558.20 and 10,414.80

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Solution

The fourth proportional to 35,038.80, 52,558.20 and 10,414.80 is: 15,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,038.80 : 52,558.20 = 10,414.80 : x
  2. Step 2: Convert to fraction form
    35,038.80/52,558.20 = 10,414.80/x
  3. Step 3: Cross multiply
    35,038.80x = 52,558.20 × 10,414.80
  4. Step 4: Simplify right side
    35,038.80x = 547,383,141.36
  5. Step 5: Solve for x
    x = 547,383,141.36/35,038.80
  6. Step 6: Final answer
    x = 15,622.20

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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.