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Finding the Fourth Proportional to 30,033.32, 45,056.32 and 8,975.00

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Solution

The fourth proportional to 30,033.32, 45,056.32 and 8,975.00 is: 13,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.32 : 45,056.32 = 8,975.00 : x
  2. Step 2: Convert to fraction form
    30,033.32/45,056.32 = 8,975.00/x
  3. Step 3: Cross multiply
    30,033.32x = 45,056.32 × 8,975.00
  4. Step 4: Simplify right side
    30,033.32x = 404,380,562.20
  5. Step 5: Solve for x
    x = 404,380,562.20/30,033.32
  6. Step 6: Final answer
    x = 13,464.40

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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.