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Finding the Fourth Proportional to 36,322.98, 50,116.90 and 21,206.98

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Solution

The fourth proportional to 36,322.98, 50,116.90 and 21,206.98 is: 29,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.98 : 50,116.90 = 21,206.98 : x
  2. Step 2: Convert to fraction form
    36,322.98/50,116.90 = 21,206.98/x
  3. Step 3: Cross multiply
    36,322.98x = 50,116.90 × 21,206.98
  4. Step 4: Simplify right side
    36,322.98x = 1,062,828,095.96
  5. Step 5: Solve for x
    x = 1,062,828,095.96/36,322.98
  6. Step 6: Final answer
    x = 29,260.49

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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.