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Finding the Fourth Proportional to 9,000.76, 13,500.12 and 2,427.58

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Solution

The fourth proportional to 9,000.76, 13,500.12 and 2,427.58 is: 3,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.76 : 13,500.12 = 2,427.58 : x
  2. Step 2: Convert to fraction form
    9,000.76/13,500.12 = 2,427.58/x
  3. Step 3: Cross multiply
    9,000.76x = 13,500.12 × 2,427.58
  4. Step 4: Simplify right side
    9,000.76x = 32,772,621.31
  5. Step 5: Solve for x
    x = 32,772,621.31/9,000.76
  6. Step 6: Final answer
    x = 3,641.09

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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.