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Finding the Fourth Proportional to 27,998.73, 42,009.03 and 10,464.45

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Solution

The fourth proportional to 27,998.73, 42,009.03 and 10,464.45 is: 15,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.73 : 42,009.03 = 10,464.45 : x
  2. Step 2: Convert to fraction form
    27,998.73/42,009.03 = 10,464.45/x
  3. Step 3: Cross multiply
    27,998.73x = 42,009.03 × 10,464.45
  4. Step 4: Simplify right side
    27,998.73x = 439,601,393.98
  5. Step 5: Solve for x
    x = 439,601,393.98/27,998.73
  6. Step 6: Final answer
    x = 15,700.76

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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.