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Finding the Fourth Proportional to 62,813.70, 94,220.55 and 61,720.20

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Solution

The fourth proportional to 62,813.70, 94,220.55 and 61,720.20 is: 92,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813.70 : 94,220.55 = 61,720.20 : x
  2. Step 2: Convert to fraction form
    62,813.70/94,220.55 = 61,720.20/x
  3. Step 3: Cross multiply
    62,813.70x = 94,220.55 × 61,720.20
  4. Step 4: Simplify right side
    62,813.70x = 5,815,311,190.11
  5. Step 5: Solve for x
    x = 5,815,311,190.11/62,813.70
  6. Step 6: Final answer
    x = 92,580.30

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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.