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Finding the Fourth Proportional to 17,459.20, 26,188.80 and 17,113.60

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Solution

The fourth proportional to 17,459.20, 26,188.80 and 17,113.60 is: 25,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,459.20 : 26,188.80 = 17,113.60 : x
  2. Step 2: Convert to fraction form
    17,459.20/26,188.80 = 17,113.60/x
  3. Step 3: Cross multiply
    17,459.20x = 26,188.80 × 17,113.60
  4. Step 4: Simplify right side
    17,459.20x = 448,184,647.68
  5. Step 5: Solve for x
    x = 448,184,647.68/17,459.20
  6. Step 6: Final answer
    x = 25,670.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.