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Finding the Fourth Proportional to 62,813.80, 94,220.70 and 37,930.60

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Solution

The fourth proportional to 62,813.80, 94,220.70 and 37,930.60 is: 56,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813.80 : 94,220.70 = 37,930.60 : x
  2. Step 2: Convert to fraction form
    62,813.80/94,220.70 = 37,930.60/x
  3. Step 3: Cross multiply
    62,813.80x = 94,220.70 × 37,930.60
  4. Step 4: Simplify right side
    62,813.80x = 3,573,847,683.42
  5. Step 5: Solve for x
    x = 3,573,847,683.42/62,813.80
  6. Step 6: Final answer
    x = 56,895.90

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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.