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Finding the Fourth Proportional to 37,042.92, 51,119.37 and 20,275.92

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Solution

The fourth proportional to 37,042.92, 51,119.37 and 20,275.92 is: 27,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,042.92 : 51,119.37 = 20,275.92 : x
  2. Step 2: Convert to fraction form
    37,042.92/51,119.37 = 20,275.92/x
  3. Step 3: Cross multiply
    37,042.92x = 51,119.37 × 20,275.92
  4. Step 4: Simplify right side
    37,042.92x = 1,036,492,256.57
  5. Step 5: Solve for x
    x = 1,036,492,256.57/37,042.92
  6. Step 6: Final answer
    x = 27,980.85

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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.