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Finding the Fourth Proportional to 57,114.40, 85,671.60 and 37,069.60

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Solution

The fourth proportional to 57,114.40, 85,671.60 and 37,069.60 is: 55,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.40 : 85,671.60 = 37,069.60 : x
  2. Step 2: Convert to fraction form
    57,114.40/85,671.60 = 37,069.60/x
  3. Step 3: Cross multiply
    57,114.40x = 85,671.60 × 37,069.60
  4. Step 4: Simplify right side
    57,114.40x = 3,175,811,943.36
  5. Step 5: Solve for x
    x = 3,175,811,943.36/57,114.40
  6. Step 6: Final answer
    x = 55,604.40

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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.