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Finding the Fourth Proportional to 29,641.98, 40,905.92 and 16,213.26

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Solution

The fourth proportional to 29,641.98, 40,905.92 and 16,213.26 is: 22,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.98 : 40,905.92 = 16,213.26 : x
  2. Step 2: Convert to fraction form
    29,641.98/40,905.92 = 16,213.26/x
  3. Step 3: Cross multiply
    29,641.98x = 40,905.92 × 16,213.26
  4. Step 4: Simplify right side
    29,641.98x = 663,218,316.50
  5. Step 5: Solve for x
    x = 663,218,316.50/29,641.98
  6. Step 6: Final answer
    x = 22,374.29

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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.