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Finding the Fourth Proportional to 32,913.40, 49,370.10 and 12,134.20

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Solution

The fourth proportional to 32,913.40, 49,370.10 and 12,134.20 is: 18,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.40 : 49,370.10 = 12,134.20 : x
  2. Step 2: Convert to fraction form
    32,913.40/49,370.10 = 12,134.20/x
  3. Step 3: Cross multiply
    32,913.40x = 49,370.10 × 12,134.20
  4. Step 4: Simplify right side
    32,913.40x = 599,066,667.42
  5. Step 5: Solve for x
    x = 599,066,667.42/32,913.40
  6. Step 6: Final answer
    x = 18,201.30

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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.