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Finding the Fourth Proportional to 36,695.92, 55,035.78 and 10,400.08

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Solution

The fourth proportional to 36,695.92, 55,035.78 and 10,400.08 is: 15,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.92 : 55,035.78 = 10,400.08 : x
  2. Step 2: Convert to fraction form
    36,695.92/55,035.78 = 10,400.08/x
  3. Step 3: Cross multiply
    36,695.92x = 55,035.78 × 10,400.08
  4. Step 4: Simplify right side
    36,695.92x = 572,376,514.86
  5. Step 5: Solve for x
    x = 572,376,514.86/36,695.92
  6. Step 6: Final answer
    x = 15,597.82

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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.