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Finding the Fourth Proportional to 15,361.65, 23,049.36 and 7,459.83

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Solution

The fourth proportional to 15,361.65, 23,049.36 and 7,459.83 is: 11,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.65 : 23,049.36 = 7,459.83 : x
  2. Step 2: Convert to fraction form
    15,361.65/23,049.36 = 7,459.83/x
  3. Step 3: Cross multiply
    15,361.65x = 23,049.36 × 7,459.83
  4. Step 4: Simplify right side
    15,361.65x = 171,944,307.21
  5. Step 5: Solve for x
    x = 171,944,307.21/15,361.65
  6. Step 6: Final answer
    x = 11,193.09

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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.