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Finding the Fourth Proportional to 36,746.88, 55,070.82 and 20,081.88

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Solution

The fourth proportional to 36,746.88, 55,070.82 and 20,081.88 is: 30,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,746.88 : 55,070.82 = 20,081.88 : x
  2. Step 2: Convert to fraction form
    36,746.88/55,070.82 = 20,081.88/x
  3. Step 3: Cross multiply
    36,746.88x = 55,070.82 × 20,081.88
  4. Step 4: Simplify right side
    36,746.88x = 1,105,925,598.74
  5. Step 5: Solve for x
    x = 1,105,925,598.74/36,746.88
  6. Step 6: Final answer
    x = 30,095.77

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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.