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Finding the Fourth Proportional to 17,905.08, 24,712.14 and 17,117.88

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Solution

The fourth proportional to 17,905.08, 24,712.14 and 17,117.88 is: 23,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.08 : 24,712.14 = 17,117.88 : x
  2. Step 2: Convert to fraction form
    17,905.08/24,712.14 = 17,117.88/x
  3. Step 3: Cross multiply
    17,905.08x = 24,712.14 × 17,117.88
  4. Step 4: Simplify right side
    17,905.08x = 423,019,447.06
  5. Step 5: Solve for x
    x = 423,019,447.06/17,905.08
  6. Step 6: Final answer
    x = 23,625.67

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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.