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Finding the Fourth Proportional to 10,347.86, 15,524.20 and 2,952.42

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Solution

The fourth proportional to 10,347.86, 15,524.20 and 2,952.42 is: 4,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.86 : 15,524.20 = 2,952.42 : x
  2. Step 2: Convert to fraction form
    10,347.86/15,524.20 = 2,952.42/x
  3. Step 3: Cross multiply
    10,347.86x = 15,524.20 × 2,952.42
  4. Step 4: Simplify right side
    10,347.86x = 45,833,958.56
  5. Step 5: Solve for x
    x = 45,833,958.56/10,347.86
  6. Step 6: Final answer
    x = 4,429.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.