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Finding the Fourth Proportional to 60,564.84, 83,532.06 and 39,351

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Solution

The fourth proportional to 60,564.84, 83,532.06 and 39,351 is: 54,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,564.84 : 83,532.06 = 39,351 : x
  2. Step 2: Convert to fraction form
    60,564.84/83,532.06 = 39,351/x
  3. Step 3: Cross multiply
    60,564.84x = 83,532.06 × 39,351
  4. Step 4: Simplify right side
    60,564.84x = 3,287,070,093.06
  5. Step 5: Solve for x
    x = 3,287,070,093.06/60,564.84
  6. Step 6: Final answer
    x = 54,273.57

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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.