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Finding the Fourth Proportional to 35,406.72, 53,040.96 and 27,578.88

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Solution

The fourth proportional to 35,406.72, 53,040.96 and 27,578.88 is: 41,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.72 : 53,040.96 = 27,578.88 : x
  2. Step 2: Convert to fraction form
    35,406.72/53,040.96 = 27,578.88/x
  3. Step 3: Cross multiply
    35,406.72x = 53,040.96 × 27,578.88
  4. Step 4: Simplify right side
    35,406.72x = 1,462,810,270.92
  5. Step 5: Solve for x
    x = 1,462,810,270.92/35,406.72
  6. Step 6: Final answer
    x = 41,314.48

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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.