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Finding the Fourth Proportional to 17,915.61, 24,667.07 and 16,254.86

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Solution

The fourth proportional to 17,915.61, 24,667.07 and 16,254.86 is: 22,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.61 : 24,667.07 = 16,254.86 : x
  2. Step 2: Convert to fraction form
    17,915.61/24,667.07 = 16,254.86/x
  3. Step 3: Cross multiply
    17,915.61x = 24,667.07 × 16,254.86
  4. Step 4: Simplify right side
    17,915.61x = 400,959,564.85
  5. Step 5: Solve for x
    x = 400,959,564.85/17,915.61
  6. Step 6: Final answer
    x = 22,380.46

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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.