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Finding the Fourth Proportional to 13,062.04, 19,604.20 and 5,672.40

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Solution

The fourth proportional to 13,062.04, 19,604.20 and 5,672.40 is: 8,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.04 : 19,604.20 = 5,672.40 : x
  2. Step 2: Convert to fraction form
    13,062.04/19,604.20 = 5,672.40/x
  3. Step 3: Cross multiply
    13,062.04x = 19,604.20 × 5,672.40
  4. Step 4: Simplify right side
    13,062.04x = 111,202,864.08
  5. Step 5: Solve for x
    x = 111,202,864.08/13,062.04
  6. Step 6: Final answer
    x = 8,513.44

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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.