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Finding the Fourth Proportional to 12,452.00, 18,685.01 and 6,904.64

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Solution

The fourth proportional to 12,452.00, 18,685.01 and 6,904.64 is: 10,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.00 : 18,685.01 = 6,904.64 : x
  2. Step 2: Convert to fraction form
    12,452.00/18,685.01 = 6,904.64/x
  3. Step 3: Cross multiply
    12,452.00x = 18,685.01 × 6,904.64
  4. Step 4: Simplify right side
    12,452.00x = 129,013,331.42
  5. Step 5: Solve for x
    x = 129,013,331.42/12,452.00
  6. Step 6: Final answer
    x = 10,360.86

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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.