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Finding the Fourth Proportional to 35,379.99, 48,824.31 and 19,464.40

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Solution

The fourth proportional to 35,379.99, 48,824.31 and 19,464.40 is: 26,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.99 : 48,824.31 = 19,464.40 : x
  2. Step 2: Convert to fraction form
    35,379.99/48,824.31 = 19,464.40/x
  3. Step 3: Cross multiply
    35,379.99x = 48,824.31 × 19,464.40
  4. Step 4: Simplify right side
    35,379.99x = 950,335,741.01
  5. Step 5: Solve for x
    x = 950,335,741.01/35,379.99
  6. Step 6: Final answer
    x = 26,860.83

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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.