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Finding the Fourth Proportional to 35,813.63, 53,720.44 and 11,189.63

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Solution

The fourth proportional to 35,813.63, 53,720.44 and 11,189.63 is: 16,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.63 : 53,720.44 = 11,189.63 : x
  2. Step 2: Convert to fraction form
    35,813.63/53,720.44 = 11,189.63/x
  3. Step 3: Cross multiply
    35,813.63x = 53,720.44 × 11,189.63
  4. Step 4: Simplify right side
    35,813.63x = 601,111,847.04
  5. Step 5: Solve for x
    x = 601,111,847.04/35,813.63
  6. Step 6: Final answer
    x = 16,784.44

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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.