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Finding the Fourth Proportional to 12,361.68, 18,526.10 and 10,710.54

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Solution

The fourth proportional to 12,361.68, 18,526.10 and 10,710.54 is: 16,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.68 : 18,526.10 = 10,710.54 : x
  2. Step 2: Convert to fraction form
    12,361.68/18,526.10 = 10,710.54/x
  3. Step 3: Cross multiply
    12,361.68x = 18,526.10 × 10,710.54
  4. Step 4: Simplify right side
    12,361.68x = 198,424,481.54
  5. Step 5: Solve for x
    x = 198,424,481.54/12,361.68
  6. Step 6: Final answer
    x = 16,051.58

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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.