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Finding the Fourth Proportional to 51,641.69, 77,462.53 and 16,605.95

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Solution

The fourth proportional to 51,641.69, 77,462.53 and 16,605.95 is: 24,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.69 : 77,462.53 = 16,605.95 : x
  2. Step 2: Convert to fraction form
    51,641.69/77,462.53 = 16,605.95/x
  3. Step 3: Cross multiply
    51,641.69x = 77,462.53 × 16,605.95
  4. Step 4: Simplify right side
    51,641.69x = 1,286,338,471.23
  5. Step 5: Solve for x
    x = 1,286,338,471.23/51,641.69
  6. Step 6: Final answer
    x = 24,908.92

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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.