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Finding the Fourth Proportional to 48,447.99, 72,609.10 and 21,774.27

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Solution

The fourth proportional to 48,447.99, 72,609.10 and 21,774.27 is: 32,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.99 : 72,609.10 = 21,774.27 : x
  2. Step 2: Convert to fraction form
    48,447.99/72,609.10 = 21,774.27/x
  3. Step 3: Cross multiply
    48,447.99x = 72,609.10 × 21,774.27
  4. Step 4: Simplify right side
    48,447.99x = 1,581,010,147.86
  5. Step 5: Solve for x
    x = 1,581,010,147.86/48,447.99
  6. Step 6: Final answer
    x = 32,633.14

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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.