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Finding the Fourth Proportional to 18,332.40, 27,506.04 and 6,646.56

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Solution

The fourth proportional to 18,332.40, 27,506.04 and 6,646.56 is: 9,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.40 : 27,506.04 = 6,646.56 : x
  2. Step 2: Convert to fraction form
    18,332.40/27,506.04 = 6,646.56/x
  3. Step 3: Cross multiply
    18,332.40x = 27,506.04 × 6,646.56
  4. Step 4: Simplify right side
    18,332.40x = 182,820,545.22
  5. Step 5: Solve for x
    x = 182,820,545.22/18,332.40
  6. Step 6: Final answer
    x = 9,972.54

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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.