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Finding the Fourth Proportional to 49,018.80, 73,409.72 and 27,894.80

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Solution

The fourth proportional to 49,018.80, 73,409.72 and 27,894.80 is: 41,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,018.80 : 73,409.72 = 27,894.80 : x
  2. Step 2: Convert to fraction form
    49,018.80/73,409.72 = 27,894.80/x
  3. Step 3: Cross multiply
    49,018.80x = 73,409.72 × 27,894.80
  4. Step 4: Simplify right side
    49,018.80x = 2,047,749,457.46
  5. Step 5: Solve for x
    x = 2,047,749,457.46/49,018.80
  6. Step 6: Final answer
    x = 41,774.78

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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.