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Finding the Fourth Proportional to 32,907.80, 49,288.80 and 13,176.20

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Solution

The fourth proportional to 32,907.80, 49,288.80 and 13,176.20 is: 19,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.80 : 49,288.80 = 13,176.20 : x
  2. Step 2: Convert to fraction form
    32,907.80/49,288.80 = 13,176.20/x
  3. Step 3: Cross multiply
    32,907.80x = 49,288.80 × 13,176.20
  4. Step 4: Simplify right side
    32,907.80x = 649,439,086.56
  5. Step 5: Solve for x
    x = 649,439,086.56/32,907.80
  6. Step 6: Final answer
    x = 19,735.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.