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Finding the Fourth Proportional to 16,762.96, 25,141.20 and 15,930.40

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Solution

The fourth proportional to 16,762.96, 25,141.20 and 15,930.40 is: 23,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.96 : 25,141.20 = 15,930.40 : x
  2. Step 2: Convert to fraction form
    16,762.96/25,141.20 = 15,930.40/x
  3. Step 3: Cross multiply
    16,762.96x = 25,141.20 × 15,930.40
  4. Step 4: Simplify right side
    16,762.96x = 400,509,372.48
  5. Step 5: Solve for x
    x = 400,509,372.48/16,762.96
  6. Step 6: Final answer
    x = 23,892.52

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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.