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Finding the Fourth Proportional to 37,809.81, 52,177.68 and 21,042.81

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Solution

The fourth proportional to 37,809.81, 52,177.68 and 21,042.81 is: 29,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809.81 : 52,177.68 = 21,042.81 : x
  2. Step 2: Convert to fraction form
    37,809.81/52,177.68 = 21,042.81/x
  3. Step 3: Cross multiply
    37,809.81x = 52,177.68 × 21,042.81
  4. Step 4: Simplify right side
    37,809.81x = 1,097,965,006.48
  5. Step 5: Solve for x
    x = 1,097,965,006.48/37,809.81
  6. Step 6: Final answer
    x = 29,039.16

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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.