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Finding the Fourth Proportional to 17,672.81, 24,388.18 and 9,714.87

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Solution

The fourth proportional to 17,672.81, 24,388.18 and 9,714.87 is: 13,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.81 : 24,388.18 = 9,714.87 : x
  2. Step 2: Convert to fraction form
    17,672.81/24,388.18 = 9,714.87/x
  3. Step 3: Cross multiply
    17,672.81x = 24,388.18 × 9,714.87
  4. Step 4: Simplify right side
    17,672.81x = 236,927,973.95
  5. Step 5: Solve for x
    x = 236,927,973.95/17,672.81
  6. Step 6: Final answer
    x = 13,406.36

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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.