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Finding the Fourth Proportional to 60,307.85, 83,229.93 and 33,459

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Solution

The fourth proportional to 60,307.85, 83,229.93 and 33,459 is: 46,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.85 : 83,229.93 = 33,459 : x
  2. Step 2: Convert to fraction form
    60,307.85/83,229.93 = 33,459/x
  3. Step 3: Cross multiply
    60,307.85x = 83,229.93 × 33,459
  4. Step 4: Simplify right side
    60,307.85x = 2,784,790,227.87
  5. Step 5: Solve for x
    x = 2,784,790,227.87/60,307.85
  6. Step 6: Final answer
    x = 46,176.25

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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.