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Finding the Fourth Proportional to 16,308.58, 22,505.84 and 9,235

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Solution

The fourth proportional to 16,308.58, 22,505.84 and 9,235 is: 12,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,308.58 : 22,505.84 = 9,235 : x
  2. Step 2: Convert to fraction form
    16,308.58/22,505.84 = 9,235/x
  3. Step 3: Cross multiply
    16,308.58x = 22,505.84 × 9,235
  4. Step 4: Simplify right side
    16,308.58x = 207,841,432.40
  5. Step 5: Solve for x
    x = 207,841,432.40/16,308.58
  6. Step 6: Final answer
    x = 12,744.30

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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.