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Finding the Fourth Proportional to 36,169.08, 49,911.72 and 21,062.16

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Solution

The fourth proportional to 36,169.08, 49,911.72 and 21,062.16 is: 29,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169.08 : 49,911.72 = 21,062.16 : x
  2. Step 2: Convert to fraction form
    36,169.08/49,911.72 = 21,062.16/x
  3. Step 3: Cross multiply
    36,169.08x = 49,911.72 × 21,062.16
  4. Step 4: Simplify right side
    36,169.08x = 1,051,248,632.52
  5. Step 5: Solve for x
    x = 1,051,248,632.52/36,169.08
  6. Step 6: Final answer
    x = 29,064.84

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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.