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Finding the Fourth Proportional to 48,409.98, 66,813.19 and 29,558.14

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Solution

The fourth proportional to 48,409.98, 66,813.19 and 29,558.14 is: 40,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.98 : 66,813.19 = 29,558.14 : x
  2. Step 2: Convert to fraction form
    48,409.98/66,813.19 = 29,558.14/x
  3. Step 3: Cross multiply
    48,409.98x = 66,813.19 × 29,558.14
  4. Step 4: Simplify right side
    48,409.98x = 1,974,873,623.87
  5. Step 5: Solve for x
    x = 1,974,873,623.87/48,409.98
  6. Step 6: Final answer
    x = 40,794.76

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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.