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Finding the Fourth Proportional to 62,679.96, 93,782.61 and 38,669.94

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Solution

The fourth proportional to 62,679.96, 93,782.61 and 38,669.94 is: 57,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.96 : 93,782.61 = 38,669.94 : x
  2. Step 2: Convert to fraction form
    62,679.96/93,782.61 = 38,669.94/x
  3. Step 3: Cross multiply
    62,679.96x = 93,782.61 × 38,669.94
  4. Step 4: Simplify right side
    62,679.96x = 3,626,567,901.74
  5. Step 5: Solve for x
    x = 3,626,567,901.74/62,679.96
  6. Step 6: Final answer
    x = 57,858.49

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1.5x scale

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.