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Finding the Fourth Proportional to 59,897.70, 82,657.80 and 33,042.78

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Solution

The fourth proportional to 59,897.70, 82,657.80 and 33,042.78 is: 45,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,897.70 : 82,657.80 = 33,042.78 : x
  2. Step 2: Convert to fraction form
    59,897.70/82,657.80 = 33,042.78/x
  3. Step 3: Cross multiply
    59,897.70x = 82,657.80 × 33,042.78
  4. Step 4: Simplify right side
    59,897.70x = 2,731,243,500.68
  5. Step 5: Solve for x
    x = 2,731,243,500.68/59,897.70
  6. Step 6: Final answer
    x = 45,598.47

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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.