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Finding the Fourth Proportional to 58,604.38, 81,006.89 and 53,954.17

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Solution

The fourth proportional to 58,604.38, 81,006.89 and 53,954.17 is: 74,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,604.38 : 81,006.89 = 53,954.17 : x
  2. Step 2: Convert to fraction form
    58,604.38/81,006.89 = 53,954.17/x
  3. Step 3: Cross multiply
    58,604.38x = 81,006.89 × 53,954.17
  4. Step 4: Simplify right side
    58,604.38x = 4,370,659,041.94
  5. Step 5: Solve for x
    x = 4,370,659,041.94/58,604.38
  6. Step 6: Final answer
    x = 74,579.05

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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.