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Finding the Fourth Proportional to 12,338.04, 18,507.18 and 3,573

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Solution

The fourth proportional to 12,338.04, 18,507.18 and 3,573 is: 5,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.04 : 18,507.18 = 3,573 : x
  2. Step 2: Convert to fraction form
    12,338.04/18,507.18 = 3,573/x
  3. Step 3: Cross multiply
    12,338.04x = 18,507.18 × 3,573
  4. Step 4: Simplify right side
    12,338.04x = 66,126,154.14
  5. Step 5: Solve for x
    x = 66,126,154.14/12,338.04
  6. Step 6: Final answer
    x = 5,359.53

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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.