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Finding the Fourth Proportional to 59,730.84, 82,428.54 and 34,579.80

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Solution

The fourth proportional to 59,730.84, 82,428.54 and 34,579.80 is: 47,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,730.84 : 82,428.54 = 34,579.80 : x
  2. Step 2: Convert to fraction form
    59,730.84/82,428.54 = 34,579.80/x
  3. Step 3: Cross multiply
    59,730.84x = 82,428.54 × 34,579.80
  4. Step 4: Simplify right side
    59,730.84x = 2,850,362,427.49
  5. Step 5: Solve for x
    x = 2,850,362,427.49/59,730.84
  6. Step 6: Final answer
    x = 47,720.11

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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.