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Finding the Fourth Proportional to 55,770.84, 83,655.74 and 13,651.10

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Solution

The fourth proportional to 55,770.84, 83,655.74 and 13,651.10 is: 20,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.84 : 83,655.74 = 13,651.10 : x
  2. Step 2: Convert to fraction form
    55,770.84/83,655.74 = 13,651.10/x
  3. Step 3: Cross multiply
    55,770.84x = 83,655.74 × 13,651.10
  4. Step 4: Simplify right side
    55,770.84x = 1,141,992,872.31
  5. Step 5: Solve for x
    x = 1,141,992,872.31/55,770.84
  6. Step 6: Final answer
    x = 20,476.52

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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.