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Finding the Fourth Proportional to 59,780.70, 82,495.68 and 34,291.32

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Solution

The fourth proportional to 59,780.70, 82,495.68 and 34,291.32 is: 47,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,780.70 : 82,495.68 = 34,291.32 : x
  2. Step 2: Convert to fraction form
    59,780.70/82,495.68 = 34,291.32/x
  3. Step 3: Cross multiply
    59,780.70x = 82,495.68 × 34,291.32
  4. Step 4: Simplify right side
    59,780.70x = 2,828,885,761.50
  5. Step 5: Solve for x
    x = 2,828,885,761.50/59,780.70
  6. Step 6: Final answer
    x = 47,321.05

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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.