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Finding the Fourth Proportional to 16,896.90, 25,345.35 and 16,464.90

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Solution

The fourth proportional to 16,896.90, 25,345.35 and 16,464.90 is: 24,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.90 : 25,345.35 = 16,464.90 : x
  2. Step 2: Convert to fraction form
    16,896.90/25,345.35 = 16,464.90/x
  3. Step 3: Cross multiply
    16,896.90x = 25,345.35 × 16,464.90
  4. Step 4: Simplify right side
    16,896.90x = 417,308,653.22
  5. Step 5: Solve for x
    x = 417,308,653.22/16,896.90
  6. Step 6: Final answer
    x = 24,697.35

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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.