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Finding the Fourth Proportional to 84,083.84, 116,043.90 and 62,826.20

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Solution

The fourth proportional to 84,083.84, 116,043.90 and 62,826.20 is: 86,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,083.84 : 116,043.90 = 62,826.20 : x
  2. Step 2: Convert to fraction form
    84,083.84/116,043.90 = 62,826.20/x
  3. Step 3: Cross multiply
    84,083.84x = 116,043.90 × 62,826.20
  4. Step 4: Simplify right side
    84,083.84x = 7,290,597,270.18
  5. Step 5: Solve for x
    x = 7,290,597,270.18/84,083.84
  6. Step 6: Final answer
    x = 86,706.28

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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.