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Finding the Fourth Proportional to 17,812.48, 26,749.08 and 14,847.88

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Solution

The fourth proportional to 17,812.48, 26,749.08 and 14,847.88 is: 22,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.48 : 26,749.08 = 14,847.88 : x
  2. Step 2: Convert to fraction form
    17,812.48/26,749.08 = 14,847.88/x
  3. Step 3: Cross multiply
    17,812.48x = 26,749.08 × 14,847.88
  4. Step 4: Simplify right side
    17,812.48x = 397,167,129.95
  5. Step 5: Solve for x
    x = 397,167,129.95/17,812.48
  6. Step 6: Final answer
    x = 22,297.13

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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.