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Finding the Fourth Proportional to 35,454.89, 48,928.02 and 19,539.88

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Solution

The fourth proportional to 35,454.89, 48,928.02 and 19,539.88 is: 26,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.89 : 48,928.02 = 19,539.88 : x
  2. Step 2: Convert to fraction form
    35,454.89/48,928.02 = 19,539.88/x
  3. Step 3: Cross multiply
    35,454.89x = 48,928.02 × 19,539.88
  4. Step 4: Simplify right side
    35,454.89x = 956,047,443.84
  5. Step 5: Solve for x
    x = 956,047,443.84/35,454.89
  6. Step 6: Final answer
    x = 26,965.18

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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.