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Finding the Fourth Proportional to 35,674.72, 53,509.92 and 9,378.88

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Solution

The fourth proportional to 35,674.72, 53,509.92 and 9,378.88 is: 14,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,674.72 : 53,509.92 = 9,378.88 : x
  2. Step 2: Convert to fraction form
    35,674.72/53,509.92 = 9,378.88/x
  3. Step 3: Cross multiply
    35,674.72x = 53,509.92 × 9,378.88
  4. Step 4: Simplify right side
    35,674.72x = 501,863,118.49
  5. Step 5: Solve for x
    x = 501,863,118.49/35,674.72
  6. Step 6: Final answer
    x = 14,067.75

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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.