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Finding the Fourth Proportional to 8,932.84, 12,326.45 and 4,953.87

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Solution

The fourth proportional to 8,932.84, 12,326.45 and 4,953.87 is: 6,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.84 : 12,326.45 = 4,953.87 : x
  2. Step 2: Convert to fraction form
    8,932.84/12,326.45 = 4,953.87/x
  3. Step 3: Cross multiply
    8,932.84x = 12,326.45 × 4,953.87
  4. Step 4: Simplify right side
    8,932.84x = 61,063,606.09
  5. Step 5: Solve for x
    x = 61,063,606.09/8,932.84
  6. Step 6: Final answer
    x = 6,835.86

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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.