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Finding the Fourth Proportional to 17,686.26, 26,532.48 and 7,155.86

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Solution

The fourth proportional to 17,686.26, 26,532.48 and 7,155.86 is: 10,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.26 : 26,532.48 = 7,155.86 : x
  2. Step 2: Convert to fraction form
    17,686.26/26,532.48 = 7,155.86/x
  3. Step 3: Cross multiply
    17,686.26x = 26,532.48 × 7,155.86
  4. Step 4: Simplify right side
    17,686.26x = 189,862,712.33
  5. Step 5: Solve for x
    x = 189,862,712.33/17,686.26
  6. Step 6: Final answer
    x = 10,735.04

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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.