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Finding the Fourth Proportional to 17,117.10, 25,675.29 and 7,883.10

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Solution

The fourth proportional to 17,117.10, 25,675.29 and 7,883.10 is: 11,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.10 : 25,675.29 = 7,883.10 : x
  2. Step 2: Convert to fraction form
    17,117.10/25,675.29 = 7,883.10/x
  3. Step 3: Cross multiply
    17,117.10x = 25,675.29 × 7,883.10
  4. Step 4: Simplify right side
    17,117.10x = 202,400,878.60
  5. Step 5: Solve for x
    x = 202,400,878.60/17,117.10
  6. Step 6: Final answer
    x = 11,824.48

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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.