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Finding the Fourth Proportional to 37,209.30, 55,821.15 and 10,914.90

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Solution

The fourth proportional to 37,209.30, 55,821.15 and 10,914.90 is: 16,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.30 : 55,821.15 = 10,914.90 : x
  2. Step 2: Convert to fraction form
    37,209.30/55,821.15 = 10,914.90/x
  3. Step 3: Cross multiply
    37,209.30x = 55,821.15 × 10,914.90
  4. Step 4: Simplify right side
    37,209.30x = 609,282,270.14
  5. Step 5: Solve for x
    x = 609,282,270.14/37,209.30
  6. Step 6: Final answer
    x = 16,374.46

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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.