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Finding the Fourth Proportional to 34,405.55, 51,595.94 and 11,910.11

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Solution

The fourth proportional to 34,405.55, 51,595.94 and 11,910.11 is: 17,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.55 : 51,595.94 = 11,910.11 : x
  2. Step 2: Convert to fraction form
    34,405.55/51,595.94 = 11,910.11/x
  3. Step 3: Cross multiply
    34,405.55x = 51,595.94 × 11,910.11
  4. Step 4: Simplify right side
    34,405.55x = 614,513,390.39
  5. Step 5: Solve for x
    x = 614,513,390.39/34,405.55
  6. Step 6: Final answer
    x = 17,860.88

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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.