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Finding the Fourth Proportional to 55,069.74, 82,604.88 and 13,516.74

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Solution

The fourth proportional to 55,069.74, 82,604.88 and 13,516.74 is: 20,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069.74 : 82,604.88 = 13,516.74 : x
  2. Step 2: Convert to fraction form
    55,069.74/82,604.88 = 13,516.74/x
  3. Step 3: Cross multiply
    55,069.74x = 82,604.88 × 13,516.74
  4. Step 4: Simplify right side
    55,069.74x = 1,116,548,685.69
  5. Step 5: Solve for x
    x = 1,116,548,685.69/55,069.74
  6. Step 6: Final answer
    x = 20,275.18

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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.