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Finding the Fourth Proportional to 34,574.14, 51,868.02 and 12,381.55

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Solution

The fourth proportional to 34,574.14, 51,868.02 and 12,381.55 is: 18,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,574.14 : 51,868.02 = 12,381.55 : x
  2. Step 2: Convert to fraction form
    34,574.14/51,868.02 = 12,381.55/x
  3. Step 3: Cross multiply
    34,574.14x = 51,868.02 × 12,381.55
  4. Step 4: Simplify right side
    34,574.14x = 642,206,483.03
  5. Step 5: Solve for x
    x = 642,206,483.03/34,574.14
  6. Step 6: Final answer
    x = 18,574.76

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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.