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Finding the Fourth Proportional to 35,249.60, 48,642.72 and 19,333.76

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Solution

The fourth proportional to 35,249.60, 48,642.72 and 19,333.76 is: 26,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,249.60 : 48,642.72 = 19,333.76 : x
  2. Step 2: Convert to fraction form
    35,249.60/48,642.72 = 19,333.76/x
  3. Step 3: Cross multiply
    35,249.60x = 48,642.72 × 19,333.76
  4. Step 4: Simplify right side
    35,249.60x = 940,446,674.23
  5. Step 5: Solve for x
    x = 940,446,674.23/35,249.60
  6. Step 6: Final answer
    x = 26,679.64

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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.