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Finding the Fourth Proportional to 17,751.40, 26,627.10 and 15,904.60

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Solution

The fourth proportional to 17,751.40, 26,627.10 and 15,904.60 is: 23,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.40 : 26,627.10 = 15,904.60 : x
  2. Step 2: Convert to fraction form
    17,751.40/26,627.10 = 15,904.60/x
  3. Step 3: Cross multiply
    17,751.40x = 26,627.10 × 15,904.60
  4. Step 4: Simplify right side
    17,751.40x = 423,493,374.66
  5. Step 5: Solve for x
    x = 423,493,374.66/17,751.40
  6. Step 6: Final answer
    x = 23,856.90

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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.