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Finding the Fourth Proportional to 44,200.80, 66,228.30 and 37,931.40

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Solution

The fourth proportional to 44,200.80, 66,228.30 and 37,931.40 is: 56,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,200.80 : 66,228.30 = 37,931.40 : x
  2. Step 2: Convert to fraction form
    44,200.80/66,228.30 = 37,931.40/x
  3. Step 3: Cross multiply
    44,200.80x = 66,228.30 × 37,931.40
  4. Step 4: Simplify right side
    44,200.80x = 2,512,132,138.62
  5. Step 5: Solve for x
    x = 2,512,132,138.62/44,200.80
  6. Step 6: Final answer
    x = 56,834.54

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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.