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Finding the Fourth Proportional to 16,285.79, 24,428.73 and 3,973.79

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Solution

The fourth proportional to 16,285.79, 24,428.73 and 3,973.79 is: 5,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,285.79 : 24,428.73 = 3,973.79 : x
  2. Step 2: Convert to fraction form
    16,285.79/24,428.73 = 3,973.79/x
  3. Step 3: Cross multiply
    16,285.79x = 24,428.73 × 3,973.79
  4. Step 4: Simplify right side
    16,285.79x = 97,074,520.84
  5. Step 5: Solve for x
    x = 97,074,520.84/16,285.79
  6. Step 6: Final answer
    x = 5,960.69

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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.