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Finding the Fourth Proportional to 17,272.46, 23,835.02 and 9,719.11

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Solution

The fourth proportional to 17,272.46, 23,835.02 and 9,719.11 is: 13,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.46 : 23,835.02 = 9,719.11 : x
  2. Step 2: Convert to fraction form
    17,272.46/23,835.02 = 9,719.11/x
  3. Step 3: Cross multiply
    17,272.46x = 23,835.02 × 9,719.11
  4. Step 4: Simplify right side
    17,272.46x = 231,655,181.23
  5. Step 5: Solve for x
    x = 231,655,181.23/17,272.46
  6. Step 6: Final answer
    x = 13,411.82

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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.