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Finding the Fourth Proportional to 60,672.57, 83,730.99 and 33,815.26

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Solution

The fourth proportional to 60,672.57, 83,730.99 and 33,815.26 is: 46,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672.57 : 83,730.99 = 33,815.26 : x
  2. Step 2: Convert to fraction form
    60,672.57/83,730.99 = 33,815.26/x
  3. Step 3: Cross multiply
    60,672.57x = 83,730.99 × 33,815.26
  4. Step 4: Simplify right side
    60,672.57x = 2,831,385,428.38
  5. Step 5: Solve for x
    x = 2,831,385,428.38/60,672.57
  6. Step 6: Final answer
    x = 46,666.65

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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.