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Finding the Fourth Proportional to 35,412.67, 53,119.01 and 11,713.86

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Solution

The fourth proportional to 35,412.67, 53,119.01 and 11,713.86 is: 17,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.67 : 53,119.01 = 11,713.86 : x
  2. Step 2: Convert to fraction form
    35,412.67/53,119.01 = 11,713.86/x
  3. Step 3: Cross multiply
    35,412.67x = 53,119.01 × 11,713.86
  4. Step 4: Simplify right side
    35,412.67x = 622,228,646.48
  5. Step 5: Solve for x
    x = 622,228,646.48/35,412.67
  6. Step 6: Final answer
    x = 17,570.79

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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.