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Finding the Fourth Proportional to 17,371.61, 23,971.80 and 9,714.84

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Solution

The fourth proportional to 17,371.61, 23,971.80 and 9,714.84 is: 13,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.61 : 23,971.80 = 9,714.84 : x
  2. Step 2: Convert to fraction form
    17,371.61/23,971.80 = 9,714.84/x
  3. Step 3: Cross multiply
    17,371.61x = 23,971.80 × 9,714.84
  4. Step 4: Simplify right side
    17,371.61x = 232,882,093.40
  5. Step 5: Solve for x
    x = 232,882,093.40/17,371.61
  6. Step 6: Final answer
    x = 13,405.90

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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.