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Finding the Fourth Proportional to 16,750.12, 25,129.40 and 11,829.40

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Solution

The fourth proportional to 16,750.12, 25,129.40 and 11,829.40 is: 17,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.12 : 25,129.40 = 11,829.40 : x
  2. Step 2: Convert to fraction form
    16,750.12/25,129.40 = 11,829.40/x
  3. Step 3: Cross multiply
    16,750.12x = 25,129.40 × 11,829.40
  4. Step 4: Simplify right side
    16,750.12x = 297,265,724.36
  5. Step 5: Solve for x
    x = 297,265,724.36/16,750.12
  6. Step 6: Final answer
    x = 17,747.08

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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.