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Finding the Fourth Proportional to 23,996.80, 36,038.40 and 23,219.20

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Solution

The fourth proportional to 23,996.80, 36,038.40 and 23,219.20 is: 34,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,996.80 : 36,038.40 = 23,219.20 : x
  2. Step 2: Convert to fraction form
    23,996.80/36,038.40 = 23,219.20/x
  3. Step 3: Cross multiply
    23,996.80x = 36,038.40 × 23,219.20
  4. Step 4: Simplify right side
    23,996.80x = 836,782,817.28
  5. Step 5: Solve for x
    x = 836,782,817.28/23,996.80
  6. Step 6: Final answer
    x = 34,870.60

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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.