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Finding the Fourth Proportional to 57,033.42, 78,669.04 and 36,583.12

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Solution

The fourth proportional to 57,033.42, 78,669.04 and 36,583.12 is: 50,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.42 : 78,669.04 = 36,583.12 : x
  2. Step 2: Convert to fraction form
    57,033.42/78,669.04 = 36,583.12/x
  3. Step 3: Cross multiply
    57,033.42x = 78,669.04 × 36,583.12
  4. Step 4: Simplify right side
    57,033.42x = 2,877,958,930.60
  5. Step 5: Solve for x
    x = 2,877,958,930.60/57,033.42
  6. Step 6: Final answer
    x = 50,460.92

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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.