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Finding the Fourth Proportional to 12,535.50, 18,803.25 and 3,301.50

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Solution

The fourth proportional to 12,535.50, 18,803.25 and 3,301.50 is: 4,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.50 : 18,803.25 = 3,301.50 : x
  2. Step 2: Convert to fraction form
    12,535.50/18,803.25 = 3,301.50/x
  3. Step 3: Cross multiply
    12,535.50x = 18,803.25 × 3,301.50
  4. Step 4: Simplify right side
    12,535.50x = 62,078,929.88
  5. Step 5: Solve for x
    x = 62,078,929.88/12,535.50
  6. Step 6: Final answer
    x = 4,952.25

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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.