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Finding the Fourth Proportional to 54,513.56, 75,245.88 and 39,652.76

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Solution

The fourth proportional to 54,513.56, 75,245.88 and 39,652.76 is: 54,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.56 : 75,245.88 = 39,652.76 : x
  2. Step 2: Convert to fraction form
    54,513.56/75,245.88 = 39,652.76/x
  3. Step 3: Cross multiply
    54,513.56x = 75,245.88 × 39,652.76
  4. Step 4: Simplify right side
    54,513.56x = 2,983,706,820.63
  5. Step 5: Solve for x
    x = 2,983,706,820.63/54,513.56
  6. Step 6: Final answer
    x = 54,733.30

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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.