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Finding the Fourth Proportional to 23,361.80, 32,227.02 and 15,810.68

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Solution

The fourth proportional to 23,361.80, 32,227.02 and 15,810.68 is: 21,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,361.80 : 32,227.02 = 15,810.68 : x
  2. Step 2: Convert to fraction form
    23,361.80/32,227.02 = 15,810.68/x
  3. Step 3: Cross multiply
    23,361.80x = 32,227.02 × 15,810.68
  4. Step 4: Simplify right side
    23,361.80x = 509,531,181.14
  5. Step 5: Solve for x
    x = 509,531,181.14/23,361.80
  6. Step 6: Final answer
    x = 21,810.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.