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Finding the Fourth Proportional to 56,634.71, 84,966.49 and 16,655.12

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Solution

The fourth proportional to 56,634.71, 84,966.49 and 16,655.12 is: 24,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634.71 : 84,966.49 = 16,655.12 : x
  2. Step 2: Convert to fraction form
    56,634.71/84,966.49 = 16,655.12/x
  3. Step 3: Cross multiply
    56,634.71x = 84,966.49 × 16,655.12
  4. Step 4: Simplify right side
    56,634.71x = 1,415,126,674.15
  5. Step 5: Solve for x
    x = 1,415,126,674.15/56,634.71
  6. Step 6: Final answer
    x = 24,986.91

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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.