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Finding the Fourth Proportional to 16,957.68, 25,428.30 and 5,860.50

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Solution

The fourth proportional to 16,957.68, 25,428.30 and 5,860.50 is: 8,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.68 : 25,428.30 = 5,860.50 : x
  2. Step 2: Convert to fraction form
    16,957.68/25,428.30 = 5,860.50/x
  3. Step 3: Cross multiply
    16,957.68x = 25,428.30 × 5,860.50
  4. Step 4: Simplify right side
    16,957.68x = 149,022,552.15
  5. Step 5: Solve for x
    x = 149,022,552.15/16,957.68
  6. Step 6: Final answer
    x = 8,787.91

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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.