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Finding the Fourth Proportional to 30,033.44, 45,056.52 and 8,975.12

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Solution

The fourth proportional to 30,033.44, 45,056.52 and 8,975.12 is: 13,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.44 : 45,056.52 = 8,975.12 : x
  2. Step 2: Convert to fraction form
    30,033.44/45,056.52 = 8,975.12/x
  3. Step 3: Cross multiply
    30,033.44x = 45,056.52 × 8,975.12
  4. Step 4: Simplify right side
    30,033.44x = 404,387,673.78
  5. Step 5: Solve for x
    x = 404,387,673.78/30,033.44
  6. Step 6: Final answer
    x = 13,464.58

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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.