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Finding the Fourth Proportional to 12,325.53, 18,487.08 and 6,777.03

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Solution

The fourth proportional to 12,325.53, 18,487.08 and 6,777.03 is: 10,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.53 : 18,487.08 = 6,777.03 : x
  2. Step 2: Convert to fraction form
    12,325.53/18,487.08 = 6,777.03/x
  3. Step 3: Cross multiply
    12,325.53x = 18,487.08 × 6,777.03
  4. Step 4: Simplify right side
    12,325.53x = 125,287,495.77
  5. Step 5: Solve for x
    x = 125,287,495.77/12,325.53
  6. Step 6: Final answer
    x = 10,164.88

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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.