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Finding the Fourth Proportional to 23,483.60, 35,230.20 and 7,902.80

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Solution

The fourth proportional to 23,483.60, 35,230.20 and 7,902.80 is: 11,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,483.60 : 35,230.20 = 7,902.80 : x
  2. Step 2: Convert to fraction form
    23,483.60/35,230.20 = 7,902.80/x
  3. Step 3: Cross multiply
    23,483.60x = 35,230.20 × 7,902.80
  4. Step 4: Simplify right side
    23,483.60x = 278,417,224.56
  5. Step 5: Solve for x
    x = 278,417,224.56/23,483.60
  6. Step 6: Final answer
    x = 11,855.82

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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.