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Finding the Fourth Proportional to 34,625.92, 51,931.56 and 12,440.56

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Solution

The fourth proportional to 34,625.92, 51,931.56 and 12,440.56 is: 18,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,625.92 : 51,931.56 = 12,440.56 : x
  2. Step 2: Convert to fraction form
    34,625.92/51,931.56 = 12,440.56/x
  3. Step 3: Cross multiply
    34,625.92x = 51,931.56 × 12,440.56
  4. Step 4: Simplify right side
    34,625.92x = 646,057,688.07
  5. Step 5: Solve for x
    x = 646,057,688.07/34,625.92
  6. Step 6: Final answer
    x = 18,658.21

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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.