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Finding the Fourth Proportional to 12,508.01, 17,260.84 and 6,919.01

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Solution

The fourth proportional to 12,508.01, 17,260.84 and 6,919.01 is: 9,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.01 : 17,260.84 = 6,919.01 : x
  2. Step 2: Convert to fraction form
    12,508.01/17,260.84 = 6,919.01/x
  3. Step 3: Cross multiply
    12,508.01x = 17,260.84 × 6,919.01
  4. Step 4: Simplify right side
    12,508.01x = 119,427,924.57
  5. Step 5: Solve for x
    x = 119,427,924.57/12,508.01
  6. Step 6: Final answer
    x = 9,548.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.