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Finding the Fourth Proportional to 35,647.44, 53,473.92 and 11,955.12

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Solution

The fourth proportional to 35,647.44, 53,473.92 and 11,955.12 is: 17,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.44 : 53,473.92 = 11,955.12 : x
  2. Step 2: Convert to fraction form
    35,647.44/53,473.92 = 11,955.12/x
  3. Step 3: Cross multiply
    35,647.44x = 53,473.92 × 11,955.12
  4. Step 4: Simplify right side
    35,647.44x = 639,287,130.47
  5. Step 5: Solve for x
    x = 639,287,130.47/35,647.44
  6. Step 6: Final answer
    x = 17,933.61

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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.