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Finding the Fourth Proportional to 17,865.01, 24,655.19 and 9,909.80

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Solution

The fourth proportional to 17,865.01, 24,655.19 and 9,909.80 is: 13,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.01 : 24,655.19 = 9,909.80 : x
  2. Step 2: Convert to fraction form
    17,865.01/24,655.19 = 9,909.80/x
  3. Step 3: Cross multiply
    17,865.01x = 24,655.19 × 9,909.80
  4. Step 4: Simplify right side
    17,865.01x = 244,327,952.31
  5. Step 5: Solve for x
    x = 244,327,952.31/17,865.01
  6. Step 6: Final answer
    x = 13,676.34

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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.