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Finding the Fourth Proportional to 37,809.96, 52,175.28 and 20,810.96

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Solution

The fourth proportional to 37,809.96, 52,175.28 and 20,810.96 is: 28,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809.96 : 52,175.28 = 20,810.96 : x
  2. Step 2: Convert to fraction form
    37,809.96/52,175.28 = 20,810.96/x
  3. Step 3: Cross multiply
    37,809.96x = 52,175.28 × 20,810.96
  4. Step 4: Simplify right side
    37,809.96x = 1,085,817,665.07
  5. Step 5: Solve for x
    x = 1,085,817,665.07/37,809.96
  6. Step 6: Final answer
    x = 28,717.77

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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.