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Finding the Fourth Proportional to 58,869.40, 81,237.29 and 33,377.48

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Solution

The fourth proportional to 58,869.40, 81,237.29 and 33,377.48 is: 46,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,869.40 : 81,237.29 = 33,377.48 : x
  2. Step 2: Convert to fraction form
    58,869.40/81,237.29 = 33,377.48/x
  3. Step 3: Cross multiply
    58,869.40x = 81,237.29 × 33,377.48
  4. Step 4: Simplify right side
    58,869.40x = 2,711,495,616.04
  5. Step 5: Solve for x
    x = 2,711,495,616.04/58,869.40
  6. Step 6: Final answer
    x = 46,059.51

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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.