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Finding the Fourth Proportional to 29,340.88, 40,490.76 and 16,092.88

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Solution

The fourth proportional to 29,340.88, 40,490.76 and 16,092.88 is: 22,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340.88 : 40,490.76 = 16,092.88 : x
  2. Step 2: Convert to fraction form
    29,340.88/40,490.76 = 16,092.88/x
  3. Step 3: Cross multiply
    29,340.88x = 40,490.76 × 16,092.88
  4. Step 4: Simplify right side
    29,340.88x = 651,612,941.79
  5. Step 5: Solve for x
    x = 651,612,941.79/29,340.88
  6. Step 6: Final answer
    x = 22,208.36

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1.5x scale

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.