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Finding the Fourth Proportional to 58,869.90, 81,237.98 and 33,377.98

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Solution

The fourth proportional to 58,869.90, 81,237.98 and 33,377.98 is: 46,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,869.90 : 81,237.98 = 33,377.98 : x
  2. Step 2: Convert to fraction form
    58,869.90/81,237.98 = 33,377.98/x
  3. Step 3: Cross multiply
    58,869.90x = 81,237.98 × 33,377.98
  4. Step 4: Simplify right side
    58,869.90x = 2,711,559,265.49
  5. Step 5: Solve for x
    x = 2,711,559,265.49/58,869.90
  6. Step 6: Final answer
    x = 46,060.20

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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.