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Finding the Fourth Proportional to 16,665.30, 24,998.40 and 7,300.50

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Solution

The fourth proportional to 16,665.30, 24,998.40 and 7,300.50 is: 10,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.30 : 24,998.40 = 7,300.50 : x
  2. Step 2: Convert to fraction form
    16,665.30/24,998.40 = 7,300.50/x
  3. Step 3: Cross multiply
    16,665.30x = 24,998.40 × 7,300.50
  4. Step 4: Simplify right side
    16,665.30x = 182,500,819.20
  5. Step 5: Solve for x
    x = 182,500,819.20/16,665.30
  6. Step 6: Final answer
    x = 10,950.95

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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.