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Finding the Fourth Proportional to 27,201.42, 40,779.99 and 10,552.86

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Solution

The fourth proportional to 27,201.42, 40,779.99 and 10,552.86 is: 15,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.42 : 40,779.99 = 10,552.86 : x
  2. Step 2: Convert to fraction form
    27,201.42/40,779.99 = 10,552.86/x
  3. Step 3: Cross multiply
    27,201.42x = 40,779.99 × 10,552.86
  4. Step 4: Simplify right side
    27,201.42x = 430,345,525.27
  5. Step 5: Solve for x
    x = 430,345,525.27/27,201.42
  6. Step 6: Final answer
    x = 15,820.70

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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.