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Finding the Fourth Proportional to 13,850.70, 19,113.97 and 7,563.08

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Solution

The fourth proportional to 13,850.70, 19,113.97 and 7,563.08 is: 10,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.70 : 19,113.97 = 7,563.08 : x
  2. Step 2: Convert to fraction form
    13,850.70/19,113.97 = 7,563.08/x
  3. Step 3: Cross multiply
    13,850.70x = 19,113.97 × 7,563.08
  4. Step 4: Simplify right side
    13,850.70x = 144,560,484.23
  5. Step 5: Solve for x
    x = 144,560,484.23/13,850.70
  6. Step 6: Final answer
    x = 10,437.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.