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Finding the Fourth Proportional to 32,295.20, 48,442.80 and 20,573.60

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Solution

The fourth proportional to 32,295.20, 48,442.80 and 20,573.60 is: 30,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,295.20 : 48,442.80 = 20,573.60 : x
  2. Step 2: Convert to fraction form
    32,295.20/48,442.80 = 20,573.60/x
  3. Step 3: Cross multiply
    32,295.20x = 48,442.80 × 20,573.60
  4. Step 4: Simplify right side
    32,295.20x = 996,642,790.08
  5. Step 5: Solve for x
    x = 996,642,790.08/32,295.20
  6. Step 6: Final answer
    x = 30,860.40

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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.