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Finding the Fourth Proportional to 11,672.95, 17,508.99 and 6,410.42

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Solution

The fourth proportional to 11,672.95, 17,508.99 and 6,410.42 is: 9,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.95 : 17,508.99 = 6,410.42 : x
  2. Step 2: Convert to fraction form
    11,672.95/17,508.99 = 6,410.42/x
  3. Step 3: Cross multiply
    11,672.95x = 17,508.99 × 6,410.42
  4. Step 4: Simplify right side
    11,672.95x = 112,240,080.32
  5. Step 5: Solve for x
    x = 112,240,080.32/11,672.95
  6. Step 6: Final answer
    x = 9,615.40

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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.