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Finding the Fourth Proportional to 23,911.20, 32,950.80 and 23,619.60

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Solution

The fourth proportional to 23,911.20, 32,950.80 and 23,619.60 is: 32,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,911.20 : 32,950.80 = 23,619.60 : x
  2. Step 2: Convert to fraction form
    23,911.20/32,950.80 = 23,619.60/x
  3. Step 3: Cross multiply
    23,911.20x = 32,950.80 × 23,619.60
  4. Step 4: Simplify right side
    23,911.20x = 778,284,715.68
  5. Step 5: Solve for x
    x = 778,284,715.68/23,911.20
  6. Step 6: Final answer
    x = 32,548.96

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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.