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Finding the Fourth Proportional to 62,012.80, 85,590 and 36,857.44

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Solution

The fourth proportional to 62,012.80, 85,590 and 36,857.44 is: 50,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,012.80 : 85,590 = 36,857.44 : x
  2. Step 2: Convert to fraction form
    62,012.80/85,590 = 36,857.44/x
  3. Step 3: Cross multiply
    62,012.80x = 85,590 × 36,857.44
  4. Step 4: Simplify right side
    62,012.80x = 3,154,628,289.60
  5. Step 5: Solve for x
    x = 3,154,628,289.60/62,012.80
  6. Step 6: Final answer
    x = 50,870.60

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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.