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Finding the Fourth Proportional to 32,739.40, 49,134.70 and 15,211.40

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Solution

The fourth proportional to 32,739.40, 49,134.70 and 15,211.40 is: 22,828.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,739.40 : 49,134.70 = 15,211.40 : x
  2. Step 2: Convert to fraction form
    32,739.40/49,134.70 = 15,211.40/x
  3. Step 3: Cross multiply
    32,739.40x = 49,134.70 × 15,211.40
  4. Step 4: Simplify right side
    32,739.40x = 747,407,575.58
  5. Step 5: Solve for x
    x = 747,407,575.58/32,739.40
  6. Step 6: Final answer
    x = 22,828.99

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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.