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Finding the Fourth Proportional to 38,457.04, 57,687.84 and 10,755.04

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Solution

The fourth proportional to 38,457.04, 57,687.84 and 10,755.04 is: 16,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,457.04 : 57,687.84 = 10,755.04 : x
  2. Step 2: Convert to fraction form
    38,457.04/57,687.84 = 10,755.04/x
  3. Step 3: Cross multiply
    38,457.04x = 57,687.84 × 10,755.04
  4. Step 4: Simplify right side
    38,457.04x = 620,435,026.71
  5. Step 5: Solve for x
    x = 620,435,026.71/38,457.04
  6. Step 6: Final answer
    x = 16,133.20

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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.