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Finding the Fourth Proportional to 29,698.31, 40,983.87 and 16,269.63

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Solution

The fourth proportional to 29,698.31, 40,983.87 and 16,269.63 is: 22,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,698.31 : 40,983.87 = 16,269.63 : x
  2. Step 2: Convert to fraction form
    29,698.31/40,983.87 = 16,269.63/x
  3. Step 3: Cross multiply
    29,698.31x = 40,983.87 × 16,269.63
  4. Step 4: Simplify right side
    29,698.31x = 666,792,400.87
  5. Step 5: Solve for x
    x = 666,792,400.87/29,698.31
  6. Step 6: Final answer
    x = 22,452.20

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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.