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Finding the Fourth Proportional to 17,101.93, 25,652.91 and 13,661.05

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Solution

The fourth proportional to 17,101.93, 25,652.91 and 13,661.05 is: 20,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.93 : 25,652.91 = 13,661.05 : x
  2. Step 2: Convert to fraction form
    17,101.93/25,652.91 = 13,661.05/x
  3. Step 3: Cross multiply
    17,101.93x = 25,652.91 × 13,661.05
  4. Step 4: Simplify right side
    17,101.93x = 350,445,686.16
  5. Step 5: Solve for x
    x = 350,445,686.16/17,101.93
  6. Step 6: Final answer
    x = 20,491.59

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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.