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Finding the Fourth Proportional to 17,672.96, 24,390.36 and 10,119.89

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Solution

The fourth proportional to 17,672.96, 24,390.36 and 10,119.89 is: 13,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.96 : 24,390.36 = 10,119.89 : x
  2. Step 2: Convert to fraction form
    17,672.96/24,390.36 = 10,119.89/x
  3. Step 3: Cross multiply
    17,672.96x = 24,390.36 × 10,119.89
  4. Step 4: Simplify right side
    17,672.96x = 246,827,638.31
  5. Step 5: Solve for x
    x = 246,827,638.31/17,672.96
  6. Step 6: Final answer
    x = 13,966.40

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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.