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Finding the Fourth Proportional to 62,970.84, 94,496.14 and 57,059.80

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Solution

The fourth proportional to 62,970.84, 94,496.14 and 57,059.80 is: 85,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.84 : 94,496.14 = 57,059.80 : x
  2. Step 2: Convert to fraction form
    62,970.84/94,496.14 = 57,059.80/x
  3. Step 3: Cross multiply
    62,970.84x = 94,496.14 × 57,059.80
  4. Step 4: Simplify right side
    62,970.84x = 5,391,930,849.17
  5. Step 5: Solve for x
    x = 5,391,930,849.17/62,970.84
  6. Step 6: Final answer
    x = 85,625.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.