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Finding the Fourth Proportional to 55,775.63, 83,654.74 and 18,335.44

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Solution

The fourth proportional to 55,775.63, 83,654.74 and 18,335.44 is: 27,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.63 : 83,654.74 = 18,335.44 : x
  2. Step 2: Convert to fraction form
    55,775.63/83,654.74 = 18,335.44/x
  3. Step 3: Cross multiply
    55,775.63x = 83,654.74 × 18,335.44
  4. Step 4: Simplify right side
    55,775.63x = 1,533,846,465.99
  5. Step 5: Solve for x
    x = 1,533,846,465.99/55,775.63
  6. Step 6: Final answer
    x = 27,500.30

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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.