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Finding the Fourth Proportional to 32,651.54, 48,977.31 and 21,555.63

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Solution

The fourth proportional to 32,651.54, 48,977.31 and 21,555.63 is: 32,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.54 : 48,977.31 = 21,555.63 : x
  2. Step 2: Convert to fraction form
    32,651.54/48,977.31 = 21,555.63/x
  3. Step 3: Cross multiply
    32,651.54x = 48,977.31 × 21,555.63
  4. Step 4: Simplify right side
    32,651.54x = 1,055,736,772.76
  5. Step 5: Solve for x
    x = 1,055,736,772.76/32,651.54
  6. Step 6: Final answer
    x = 32,333.45

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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.