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Finding the Fourth Proportional to 11,659.40, 17,489.10 and 4,264.10

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Solution

The fourth proportional to 11,659.40, 17,489.10 and 4,264.10 is: 6,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.40 : 17,489.10 = 4,264.10 : x
  2. Step 2: Convert to fraction form
    11,659.40/17,489.10 = 4,264.10/x
  3. Step 3: Cross multiply
    11,659.40x = 17,489.10 × 4,264.10
  4. Step 4: Simplify right side
    11,659.40x = 74,575,271.31
  5. Step 5: Solve for x
    x = 74,575,271.31/11,659.40
  6. Step 6: Final answer
    x = 6,396.15

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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.