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Finding the Fourth Proportional to 37,953.79, 56,965.41 and 19,246.74

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Solution

The fourth proportional to 37,953.79, 56,965.41 and 19,246.74 is: 28,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,953.79 : 56,965.41 = 19,246.74 : x
  2. Step 2: Convert to fraction form
    37,953.79/56,965.41 = 19,246.74/x
  3. Step 3: Cross multiply
    37,953.79x = 56,965.41 × 19,246.74
  4. Step 4: Simplify right side
    37,953.79x = 1,096,398,703.38
  5. Step 5: Solve for x
    x = 1,096,398,703.38/37,953.79
  6. Step 6: Final answer
    x = 28,887.72

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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.