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Finding the Fourth Proportional to 18,537.40, 26,004.20 and 18,537.40

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Solution

The fourth proportional to 18,537.40, 26,004.20 and 18,537.40 is: 26,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.40 : 26,004.20 = 18,537.40 : x
  2. Step 2: Convert to fraction form
    18,537.40/26,004.20 = 18,537.40/x
  3. Step 3: Cross multiply
    18,537.40x = 26,004.20 × 18,537.40
  4. Step 4: Simplify right side
    18,537.40x = 482,050,257.08
  5. Step 5: Solve for x
    x = 482,050,257.08/18,537.40
  6. Step 6: Final answer
    x = 26,004.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.