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Finding the Fourth Proportional to 16,907.28, 25,356.08 and 6,516.64

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Solution

The fourth proportional to 16,907.28, 25,356.08 and 6,516.64 is: 9,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.28 : 25,356.08 = 6,516.64 : x
  2. Step 2: Convert to fraction form
    16,907.28/25,356.08 = 6,516.64/x
  3. Step 3: Cross multiply
    16,907.28x = 25,356.08 × 6,516.64
  4. Step 4: Simplify right side
    16,907.28x = 165,236,445.17
  5. Step 5: Solve for x
    x = 165,236,445.17/16,907.28
  6. Step 6: Final answer
    x = 9,773.09

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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.