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Finding the Fourth Proportional to 38,361.55, 57,537.64 and 10,283.71

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Solution

The fourth proportional to 38,361.55, 57,537.64 and 10,283.71 is: 15,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,361.55 : 57,537.64 = 10,283.71 : x
  2. Step 2: Convert to fraction form
    38,361.55/57,537.64 = 10,283.71/x
  3. Step 3: Cross multiply
    38,361.55x = 57,537.64 × 10,283.71
  4. Step 4: Simplify right side
    38,361.55x = 591,700,403.84
  5. Step 5: Solve for x
    x = 591,700,403.84/38,361.55
  6. Step 6: Final answer
    x = 15,424.31

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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.