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Finding the Fourth Proportional to 58,554.94, 80,844.84 and 39,463.11

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Solution

The fourth proportional to 58,554.94, 80,844.84 and 39,463.11 is: 54,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,554.94 : 80,844.84 = 39,463.11 : x
  2. Step 2: Convert to fraction form
    58,554.94/80,844.84 = 39,463.11/x
  3. Step 3: Cross multiply
    58,554.94x = 80,844.84 × 39,463.11
  4. Step 4: Simplify right side
    58,554.94x = 3,190,388,813.85
  5. Step 5: Solve for x
    x = 3,190,388,813.85/58,554.94
  6. Step 6: Final answer
    x = 54,485.39

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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.