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Finding the Fourth Proportional to 28,241.10, 42,361.65 and 10,708.65

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Solution

The fourth proportional to 28,241.10, 42,361.65 and 10,708.65 is: 16,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.10 : 42,361.65 = 10,708.65 : x
  2. Step 2: Convert to fraction form
    28,241.10/42,361.65 = 10,708.65/x
  3. Step 3: Cross multiply
    28,241.10x = 42,361.65 × 10,708.65
  4. Step 4: Simplify right side
    28,241.10x = 453,636,083.27
  5. Step 5: Solve for x
    x = 453,636,083.27/28,241.10
  6. Step 6: Final answer
    x = 16,062.98

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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.