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Finding the Fourth Proportional to 32,986.36, 45,520.04 and 19,549.65

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Solution

The fourth proportional to 32,986.36, 45,520.04 and 19,549.65 is: 26,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986.36 : 45,520.04 = 19,549.65 : x
  2. Step 2: Convert to fraction form
    32,986.36/45,520.04 = 19,549.65/x
  3. Step 3: Cross multiply
    32,986.36x = 45,520.04 × 19,549.65
  4. Step 4: Simplify right side
    32,986.36x = 889,901,069.56
  5. Step 5: Solve for x
    x = 889,901,069.56/32,986.36
  6. Step 6: Final answer
    x = 26,977.85

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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.