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Finding the Fourth Proportional to 27,459.96, 37,881.18 and 18,495.96

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Solution

The fourth proportional to 27,459.96, 37,881.18 and 18,495.96 is: 25,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.96 : 37,881.18 = 18,495.96 : x
  2. Step 2: Convert to fraction form
    27,459.96/37,881.18 = 18,495.96/x
  3. Step 3: Cross multiply
    27,459.96x = 37,881.18 × 18,495.96
  4. Step 4: Simplify right side
    27,459.96x = 700,648,790.03
  5. Step 5: Solve for x
    x = 700,648,790.03/27,459.96
  6. Step 6: Final answer
    x = 25,515.29

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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.