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Finding the Fourth Proportional to 37,251.91, 51,407.63 and 20,484.91

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Solution

The fourth proportional to 37,251.91, 51,407.63 and 20,484.91 is: 28,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,251.91 : 51,407.63 = 20,484.91 : x
  2. Step 2: Convert to fraction form
    37,251.91/51,407.63 = 20,484.91/x
  3. Step 3: Cross multiply
    37,251.91x = 51,407.63 × 20,484.91
  4. Step 4: Simplify right side
    37,251.91x = 1,053,080,673.86
  5. Step 5: Solve for x
    x = 1,053,080,673.86/37,251.91
  6. Step 6: Final answer
    x = 28,269.17

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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.