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Finding the Fourth Proportional to 51,700.94, 77,502.12 and 16,615.94

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Solution

The fourth proportional to 51,700.94, 77,502.12 and 16,615.94 is: 24,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,700.94 : 77,502.12 = 16,615.94 : x
  2. Step 2: Convert to fraction form
    51,700.94/77,502.12 = 16,615.94/x
  3. Step 3: Cross multiply
    51,700.94x = 77,502.12 × 16,615.94
  4. Step 4: Simplify right side
    51,700.94x = 1,287,770,575.79
  5. Step 5: Solve for x
    x = 1,287,770,575.79/51,700.94
  6. Step 6: Final answer
    x = 24,908.07

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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.