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Finding the Fourth Proportional to 32,940.78, 49,411.20 and 10,754.10

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Solution

The fourth proportional to 32,940.78, 49,411.20 and 10,754.10 is: 16,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.78 : 49,411.20 = 10,754.10 : x
  2. Step 2: Convert to fraction form
    32,940.78/49,411.20 = 10,754.10/x
  3. Step 3: Cross multiply
    32,940.78x = 49,411.20 × 10,754.10
  4. Step 4: Simplify right side
    32,940.78x = 531,372,985.92
  5. Step 5: Solve for x
    x = 531,372,985.92/32,940.78
  6. Step 6: Final answer
    x = 16,131.16

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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.