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Finding the Fourth Proportional to 16,905.10, 25,365.54 and 7,544.14

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Solution

The fourth proportional to 16,905.10, 25,365.54 and 7,544.14 is: 11,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.10 : 25,365.54 = 7,544.14 : x
  2. Step 2: Convert to fraction form
    16,905.10/25,365.54 = 7,544.14/x
  3. Step 3: Cross multiply
    16,905.10x = 25,365.54 × 7,544.14
  4. Step 4: Simplify right side
    16,905.10x = 191,361,184.94
  5. Step 5: Solve for x
    x = 191,361,184.94/16,905.10
  6. Step 6: Final answer
    x = 11,319.73

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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.