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Finding the Fourth Proportional to 35,109.40, 52,662.48 and 8,813.56

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Solution

The fourth proportional to 35,109.40, 52,662.48 and 8,813.56 is: 13,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,109.40 : 52,662.48 = 8,813.56 : x
  2. Step 2: Convert to fraction form
    35,109.40/52,662.48 = 8,813.56/x
  3. Step 3: Cross multiply
    35,109.40x = 52,662.48 × 8,813.56
  4. Step 4: Simplify right side
    35,109.40x = 464,143,927.23
  5. Step 5: Solve for x
    x = 464,143,927.23/35,109.40
  6. Step 6: Final answer
    x = 13,219.93

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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.