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Finding the Fourth Proportional to 29,556, 40,787.28 and 16,308

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Solution

The fourth proportional to 29,556, 40,787.28 and 16,308 is: 22,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556 : 40,787.28 = 16,308 : x
  2. Step 2: Convert to fraction form
    29,556/40,787.28 = 16,308/x
  3. Step 3: Cross multiply
    29,556x = 40,787.28 × 16,308
  4. Step 4: Simplify right side
    29,556x = 665,158,962.24
  5. Step 5: Solve for x
    x = 665,158,962.24/29,556
  6. Step 6: Final answer
    x = 22,505.04

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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.