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Finding the Fourth Proportional to 16,277.99, 24,420.62 and 6,918.31

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Solution

The fourth proportional to 16,277.99, 24,420.62 and 6,918.31 is: 10,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,277.99 : 24,420.62 = 6,918.31 : x
  2. Step 2: Convert to fraction form
    16,277.99/24,420.62 = 6,918.31/x
  3. Step 3: Cross multiply
    16,277.99x = 24,420.62 × 6,918.31
  4. Step 4: Simplify right side
    16,277.99x = 168,949,419.55
  5. Step 5: Solve for x
    x = 168,949,419.55/16,277.99
  6. Step 6: Final answer
    x = 10,379.01

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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.