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Finding the Fourth Proportional to 58,573.61, 80,843.51 and 39,716.81

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Solution

The fourth proportional to 58,573.61, 80,843.51 and 39,716.81 is: 54,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,573.61 : 80,843.51 = 39,716.81 : x
  2. Step 2: Convert to fraction form
    58,573.61/80,843.51 = 39,716.81/x
  3. Step 3: Cross multiply
    58,573.61x = 80,843.51 × 39,716.81
  4. Step 4: Simplify right side
    58,573.61x = 3,210,846,326.40
  5. Step 5: Solve for x
    x = 3,210,846,326.40/58,573.61
  6. Step 6: Final answer
    x = 54,817.29

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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.