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Finding the Fourth Proportional to 12,406.53, 18,610.41 and 5,010.08

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Solution

The fourth proportional to 12,406.53, 18,610.41 and 5,010.08 is: 7,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.53 : 18,610.41 = 5,010.08 : x
  2. Step 2: Convert to fraction form
    12,406.53/18,610.41 = 5,010.08/x
  3. Step 3: Cross multiply
    12,406.53x = 18,610.41 × 5,010.08
  4. Step 4: Simplify right side
    12,406.53x = 93,239,568.67
  5. Step 5: Solve for x
    x = 93,239,568.67/12,406.53
  6. Step 6: Final answer
    x = 7,515.36

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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.