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Finding the Fourth Proportional to 59,264.70, 81,715.41 and 47,899.05

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Solution

The fourth proportional to 59,264.70, 81,715.41 and 47,899.05 is: 66,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,264.70 : 81,715.41 = 47,899.05 : x
  2. Step 2: Convert to fraction form
    59,264.70/81,715.41 = 47,899.05/x
  3. Step 3: Cross multiply
    59,264.70x = 81,715.41 × 47,899.05
  4. Step 4: Simplify right side
    59,264.70x = 3,914,090,269.87
  5. Step 5: Solve for x
    x = 3,914,090,269.87/59,264.70
  6. Step 6: Final answer
    x = 66,044.21

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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.